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<p class='location'>Trait FromPrimitive</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.from_i64">from_i64</a><a href="#tymethod.from_u64">from_u64</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.from_isize">from_isize</a><a href="#method.from_i8">from_i8</a><a href="#method.from_i16">from_i16</a><a href="#method.from_i32">from_i32</a><a href="#method.from_i128">from_i128</a><a href="#method.from_usize">from_usize</a><a href="#method.from_u8">from_u8</a><a href="#method.from_u16">from_u16</a><a href="#method.from_u32">from_u32</a><a href="#method.from_u128">from_u128</a><a href="#method.from_f32">from_f32</a><a href="#method.from_f64">from_f64</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-FromPrimitive">Wrapping&lt;T&gt;</a><a href="#impl-FromPrimitive">f64</a><a href="#impl-FromPrimitive">i128</a><a href="#impl-FromPrimitive">u128</a><a href="#impl-FromPrimitive">u16</a><a href="#impl-FromPrimitive">i32</a><a href="#impl-FromPrimitive">isize</a><a href="#impl-FromPrimitive">i16</a><a href="#impl-FromPrimitive">i64</a><a href="#impl-FromPrimitive">f32</a><a href="#impl-FromPrimitive">i8</a><a href="#impl-FromPrimitive">u64</a><a href="#impl-FromPrimitive">u32</a><a href="#impl-FromPrimitive">usize</a><a href="#impl-FromPrimitive">u8</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>num_traits</a></p><script>window.sidebarCurrent = {name: 'FromPrimitive', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<section id='main' class="content"><h1 class='fqn'><span class='in-band'>Trait <a href='index.html'>num_traits</a>::<wbr><a class="trait" href=''>FromPrimitive</a></span><span class='out-of-band'><span id='render-detail'>
<a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">
[<span class='inner'>&#x2212;</span>]
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</span><a class='srclink' href='../src/num_traits/cast.rs.html#353-457' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust trait'>pub trait FromPrimitive {
fn <a href='#tymethod.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
<div class='item-spacer'></div> fn <a href='#tymethod.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
}</pre></div><div class='docblock'><p>A generic trait for converting a number to a value.</p>
</div>
<h2 id='required-methods' class='small-section-header'>
Required Methods<a href='#required-methods' class='anchor'></a>
</h2>
<div class='methods'>
<h3 id='tymethod.from_i64' class='method'><span id='from_i64.v' class='invisible'><code>fn <a href='#tymethod.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>i64</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='tymethod.from_u64' class='method'><span id='from_u64.v' class='invisible'><code>fn <a href='#tymethod.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>u64</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div></div>
<h2 id='provided-methods' class='small-section-header'>
Provided Methods<a href='#provided-methods' class='anchor'></a>
</h2>
<div class='methods'>
<h3 id='method.from_isize' class='method'><span id='from_isize.v' class='invisible'><code>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>isize</code> to return an optional value of this type. If the
value cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_i8' class='method'><span id='from_i8.v' class='invisible'><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>i8</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_i16' class='method'><span id='from_i16.v' class='invisible'><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>i16</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_i32' class='method'><span id='from_i32.v' class='invisible'><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>i32</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_i128' class='method'><span id='from_i128.v' class='invisible'><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>i128</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
<p>This method is only available with feature <code>i128</code> enabled on Rust &gt;= 1.26.</p>
<p>The default implementation converts through <code>from_i64()</code>. Types implementing
this trait should override this method if they can represent a greater range.</p>
</div><h3 id='method.from_usize' class='method'><span id='from_usize.v' class='invisible'><code>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert a <code>usize</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_u8' class='method'><span id='from_u8.v' class='invisible'><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>u8</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_u16' class='method'><span id='from_u16.v' class='invisible'><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>u16</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_u32' class='method'><span id='from_u32.v' class='invisible'><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>u32</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_u128' class='method'><span id='from_u128.v' class='invisible'><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert an <code>u128</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
<p>This method is only available with feature <code>i128</code> enabled on Rust &gt;= 1.26.</p>
<p>The default implementation converts through <code>from_u64()</code>. Types implementing
this trait should override this method if they can represent a greater range.</p>
</div><h3 id='method.from_f32' class='method'><span id='from_f32.v' class='invisible'><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert a <code>f32</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div><h3 id='method.from_f64' class='method'><span id='from_f64.v' class='invisible'><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></h3><div class='docblock'><p>Convert a <code>f64</code> to return an optional value of this type. If the
type cannot be represented by this value, the <code>None</code> is returned.</p>
</div></div>
<h2 id='foreign-impls' class='small-section-header'>
Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a>
</h2>
<h3 id='impl-FromPrimitive' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;T&gt; <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a>,&nbsp;</span></code><a href='#impl-FromPrimitive' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#544-565' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_isize-1' class="method"><span id='from_isize.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i8-1' class="method"><span id='from_i8.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-1' class="method"><span id='from_i16.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-1' class="method"><span id='from_i32.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64' class="method"><span id='from_i64.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-1' class="method"><span id='from_i128.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-1' class="method"><span id='from_usize.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-1' class="method"><span id='from_u8.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-1' class="method"><span id='from_u16.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-1' class="method"><span id='from_u32.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64' class="method"><span id='from_u64.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-1' class="method"><span id='from_u128.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-1' class="method"><span id='from_f32.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-1' class="method"><span id='from_f64.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#538-540' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-1' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a></code><a href='#impl-FromPrimitive-1' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-2' class="method"><span id='from_i8.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-2' class="method"><span id='from_i16.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-2' class="method"><span id='from_i32.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-1' class="method"><span id='from_i64.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-2' class="method"><span id='from_i128.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-2' class="method"><span id='from_u8.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-2' class="method"><span id='from_u16.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-2' class="method"><span id='from_u32.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-1' class="method"><span id='from_u64.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-2' class="method"><span id='from_u128.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-2' class="method"><span id='from_f32.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-2' class="method"><span id='from_f64.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-2' class="method"><span id='from_isize.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-2' class="method"><span id='from_usize.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-2' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a></code><a href='#impl-FromPrimitive-2' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-3' class="method"><span id='from_i8.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-3' class="method"><span id='from_i16.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-3' class="method"><span id='from_i32.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-2' class="method"><span id='from_i64.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-3' class="method"><span id='from_i128.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-3' class="method"><span id='from_u8.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-3' class="method"><span id='from_u16.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-3' class="method"><span id='from_u32.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-2' class="method"><span id='from_u64.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-3' class="method"><span id='from_u128.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-3' class="method"><span id='from_f32.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-3' class="method"><span id='from_f64.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-3' class="method"><span id='from_isize.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-3' class="method"><span id='from_usize.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-3' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a></code><a href='#impl-FromPrimitive-3' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-4' class="method"><span id='from_i8.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-4' class="method"><span id='from_i16.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-4' class="method"><span id='from_i32.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-3' class="method"><span id='from_i64.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-4' class="method"><span id='from_i128.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-4' class="method"><span id='from_u8.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-4' class="method"><span id='from_u16.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-4' class="method"><span id='from_u32.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-3' class="method"><span id='from_u64.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-4' class="method"><span id='from_u128.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-4' class="method"><span id='from_f32.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-4' class="method"><span id='from_f64.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-4' class="method"><span id='from_isize.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-4' class="method"><span id='from_usize.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-4' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a></code><a href='#impl-FromPrimitive-4' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-5' class="method"><span id='from_i8.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-5' class="method"><span id='from_i16.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-5' class="method"><span id='from_i32.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-4' class="method"><span id='from_i64.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-5' class="method"><span id='from_i128.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-5' class="method"><span id='from_u8.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-5' class="method"><span id='from_u16.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-5' class="method"><span id='from_u32.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-4' class="method"><span id='from_u64.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-5' class="method"><span id='from_u128.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-5' class="method"><span id='from_f32.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-5' class="method"><span id='from_f64.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-5' class="method"><span id='from_isize.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-5' class="method"><span id='from_usize.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-5' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code><a href='#impl-FromPrimitive-5' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-6' class="method"><span id='from_i8.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-6' class="method"><span id='from_i16.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-6' class="method"><span id='from_i32.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-5' class="method"><span id='from_i64.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-6' class="method"><span id='from_i128.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-6' class="method"><span id='from_u8.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-6' class="method"><span id='from_u16.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-6' class="method"><span id='from_u32.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-5' class="method"><span id='from_u64.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-6' class="method"><span id='from_u128.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-6' class="method"><span id='from_f32.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-6' class="method"><span id='from_f64.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-6' class="method"><span id='from_isize.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-6' class="method"><span id='from_usize.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-6' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a></code><a href='#impl-FromPrimitive-6' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-7' class="method"><span id='from_i8.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-7' class="method"><span id='from_i16.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-7' class="method"><span id='from_i32.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-6' class="method"><span id='from_i64.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-7' class="method"><span id='from_i128.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-7' class="method"><span id='from_u8.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-7' class="method"><span id='from_u16.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-7' class="method"><span id='from_u32.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-6' class="method"><span id='from_u64.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-7' class="method"><span id='from_u128.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-7' class="method"><span id='from_f32.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-7' class="method"><span id='from_f64.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-7' class="method"><span id='from_isize.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-7' class="method"><span id='from_usize.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-7' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a></code><a href='#impl-FromPrimitive-7' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-8' class="method"><span id='from_i8.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-8' class="method"><span id='from_i16.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-8' class="method"><span id='from_i32.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-7' class="method"><span id='from_i64.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-8' class="method"><span id='from_i128.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-8' class="method"><span id='from_u8.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-8' class="method"><span id='from_u16.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-8' class="method"><span id='from_u32.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-7' class="method"><span id='from_u64.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-8' class="method"><span id='from_u128.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-8' class="method"><span id='from_f32.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-8' class="method"><span id='from_f64.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-8' class="method"><span id='from_isize.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-8' class="method"><span id='from_usize.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-8' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a></code><a href='#impl-FromPrimitive-8' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-9' class="method"><span id='from_i8.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-9' class="method"><span id='from_i16.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-9' class="method"><span id='from_i32.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-8' class="method"><span id='from_i64.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-9' class="method"><span id='from_i128.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-9' class="method"><span id='from_u8.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-9' class="method"><span id='from_u16.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-9' class="method"><span id='from_u32.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-8' class="method"><span id='from_u64.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-9' class="method"><span id='from_u128.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-9' class="method"><span id='from_f32.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-9' class="method"><span id='from_f64.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-9' class="method"><span id='from_isize.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-9' class="method"><span id='from_usize.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-9' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a></code><a href='#impl-FromPrimitive-9' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-10' class="method"><span id='from_i8.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-10' class="method"><span id='from_i16.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-10' class="method"><span id='from_i32.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-9' class="method"><span id='from_i64.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-10' class="method"><span id='from_i128.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-10' class="method"><span id='from_u8.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-10' class="method"><span id='from_u16.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-10' class="method"><span id='from_u32.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-9' class="method"><span id='from_u64.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-10' class="method"><span id='from_u128.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-10' class="method"><span id='from_f32.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-10' class="method"><span id='from_f64.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-10' class="method"><span id='from_isize.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-10' class="method"><span id='from_usize.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-10' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a></code><a href='#impl-FromPrimitive-10' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-11' class="method"><span id='from_i8.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-11' class="method"><span id='from_i16.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-11' class="method"><span id='from_i32.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-10' class="method"><span id='from_i64.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-11' class="method"><span id='from_i128.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-11' class="method"><span id='from_u8.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-11' class="method"><span id='from_u16.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-11' class="method"><span id='from_u32.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-10' class="method"><span id='from_u64.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-11' class="method"><span id='from_u128.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-11' class="method"><span id='from_f32.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-11' class="method"><span id='from_f64.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-11' class="method"><span id='from_isize.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-11' class="method"><span id='from_usize.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-11' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></code><a href='#impl-FromPrimitive-11' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-12' class="method"><span id='from_i8.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-12' class="method"><span id='from_i16.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-12' class="method"><span id='from_i32.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-11' class="method"><span id='from_i64.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-12' class="method"><span id='from_i128.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-12' class="method"><span id='from_u8.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-12' class="method"><span id='from_u16.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-12' class="method"><span id='from_u32.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-11' class="method"><span id='from_u64.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-12' class="method"><span id='from_u128.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-12' class="method"><span id='from_f32.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-12' class="method"><span id='from_f64.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-12' class="method"><span id='from_isize.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-12' class="method"><span id='from_usize.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-12' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code><a href='#impl-FromPrimitive-12' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-13' class="method"><span id='from_i8.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-13' class="method"><span id='from_i16.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-13' class="method"><span id='from_i32.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-12' class="method"><span id='from_i64.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-13' class="method"><span id='from_i128.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-13' class="method"><span id='from_u8.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-13' class="method"><span id='from_u16.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-13' class="method"><span id='from_u32.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-12' class="method"><span id='from_u64.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-13' class="method"><span id='from_u128.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-13' class="method"><span id='from_f32.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-13' class="method"><span id='from_f64.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-13' class="method"><span id='from_isize.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-13' class="method"><span id='from_usize.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-13' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a href='#impl-FromPrimitive-13' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-14' class="method"><span id='from_i8.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-14' class="method"><span id='from_i16.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-14' class="method"><span id='from_i32.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-13' class="method"><span id='from_i64.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-14' class="method"><span id='from_i128.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-14' class="method"><span id='from_u8.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-14' class="method"><span id='from_u16.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-14' class="method"><span id='from_u32.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-13' class="method"><span id='from_u64.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-14' class="method"><span id='from_u128.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-14' class="method"><span id='from_f32.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-14' class="method"><span id='from_f64.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-14' class="method"><span id='from_isize.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-14' class="method"><span id='from_usize.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromPrimitive-14' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../num_traits/cast/trait.FromPrimitive.html" title="trait num_traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a></code><a href='#impl-FromPrimitive-14' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#462-479' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.from_i8-15' class="method"><span id='from_i8.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#463' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i16-15' class="method"><span id='from_i16.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#464' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i32-15' class="method"><span id='from_i32.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i64-14' class="method"><span id='from_i64.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#466' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_i128-15' class="method"><span id='from_i128.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#468' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u8-15' class="method"><span id='from_u8.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#470' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u16-15' class="method"><span id='from_u16.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#471' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u32-15' class="method"><span id='from_u32.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u64-14' class="method"><span id='from_u64.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#473' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_u128-15' class="method"><span id='from_u128.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#475' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f32-15' class="method"><span id='from_f32.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#477' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_f64-15' class="method"><span id='from_f64.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#478' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_isize-15' class="method"><span id='from_isize.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_usize-15' class="method"><span id='from_usize.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../num_traits/cast/trait.FromPrimitive.html#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/num_traits/cast.rs.html#402-404' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span>
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