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<p class='location'>Trait Datelike</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.year">year</a><a href="#tymethod.month">month</a><a href="#tymethod.month0">month0</a><a href="#tymethod.day">day</a><a href="#tymethod.day0">day0</a><a href="#tymethod.ordinal">ordinal</a><a href="#tymethod.ordinal0">ordinal0</a><a href="#tymethod.weekday">weekday</a><a href="#tymethod.iso_week">iso_week</a><a href="#tymethod.with_year">with_year</a><a href="#tymethod.with_month">with_month</a><a href="#tymethod.with_month0">with_month0</a><a href="#tymethod.with_day">with_day</a><a href="#tymethod.with_day0">with_day0</a><a href="#tymethod.with_ordinal">with_ordinal</a><a href="#tymethod.with_ordinal0">with_ordinal0</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.year_ce">year_ce</a><a href="#method.num_days_from_ce">num_days_from_ce</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>chrono</a></p><script>window.sidebarCurrent = {name: 'Datelike', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<h1 class='fqn'><span class='in-band'>Trait <a href='index.html'>chrono</a>::<wbr><a class="trait" href=''>Datelike</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>−</span>]
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</span><a class='srclink' href='../src/chrono/lib.rs.html#800-910' title='goto source code'>[src]</a></span></h1>
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<pre class='rust trait'>pub trait Datelike: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
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fn <a href='#tymethod.year' class='fnname'>year</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.month' class='fnname'>month</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.month0' class='fnname'>month0</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.day' class='fnname'>day</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.day0' class='fnname'>day0</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.ordinal' class='fnname'>ordinal</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.ordinal0' class='fnname'>ordinal0</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.weekday' class='fnname'>weekday</a>(&self) -> <a class="enum" href="../chrono/enum.Weekday.html" title="enum chrono::Weekday">Weekday</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.iso_week' class='fnname'>iso_week</a>(&self) -> <a class="struct" href="../chrono/naive/struct.IsoWeek.html" title="struct chrono::naive::IsoWeek">IsoWeek</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.with_year' class='fnname'>with_year</a>(&self, year: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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<div class='item-spacer'></div> fn <a href='#tymethod.with_month' class='fnname'>with_month</a>(&self, month: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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<div class='item-spacer'></div> fn <a href='#tymethod.with_month0' class='fnname'>with_month0</a>(&self, month0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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<div class='item-spacer'></div> fn <a href='#tymethod.with_day' class='fnname'>with_day</a>(&self, day: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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<div class='item-spacer'></div> fn <a href='#tymethod.with_day0' class='fnname'>with_day0</a>(&self, day0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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<div class='item-spacer'></div> fn <a href='#tymethod.with_ordinal' class='fnname'>with_ordinal</a>(&self, ordinal: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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<div class='item-spacer'></div> fn <a href='#tymethod.with_ordinal0' class='fnname'>with_ordinal0</a>(&self, ordinal0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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fn <a href='#method.year_ce' class='fnname'>year_ce</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a> { ... }
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<div class='item-spacer'></div> fn <a href='#method.num_days_from_ce' class='fnname'>num_days_from_ce</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a> { ... }
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}</pre><div class='docblock'><p>The common set of methods for date component.</p>
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</div>
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<h2 id='required-methods' class='small-section-header'>
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Required Methods<a href='#required-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='tymethod.year' class='method'><span id='year.v' class='invisible'><code>fn <a href='#tymethod.year' class='fnname'>year</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code></span></h3><div class='docblock'><p>Returns the year number in the <a href="./naive/struct.NaiveDate.html#calendar-date">calendar date</a>.</p>
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</div><h3 id='tymethod.month' class='method'><span id='month.v' class='invisible'><code>fn <a href='#tymethod.month' class='fnname'>month</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the month number starting from 1.</p>
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<p>The return value ranges from 1 to 12.</p>
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</div><h3 id='tymethod.month0' class='method'><span id='month0.v' class='invisible'><code>fn <a href='#tymethod.month0' class='fnname'>month0</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the month number starting from 0.</p>
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<p>The return value ranges from 0 to 11.</p>
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</div><h3 id='tymethod.day' class='method'><span id='day.v' class='invisible'><code>fn <a href='#tymethod.day' class='fnname'>day</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the day of month starting from 1.</p>
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<p>The return value ranges from 1 to 31. (The last day of month differs by months.)</p>
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</div><h3 id='tymethod.day0' class='method'><span id='day0.v' class='invisible'><code>fn <a href='#tymethod.day0' class='fnname'>day0</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the day of month starting from 0.</p>
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<p>The return value ranges from 0 to 30. (The last day of month differs by months.)</p>
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</div><h3 id='tymethod.ordinal' class='method'><span id='ordinal.v' class='invisible'><code>fn <a href='#tymethod.ordinal' class='fnname'>ordinal</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the day of year starting from 1.</p>
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<p>The return value ranges from 1 to 366. (The last day of year differs by years.)</p>
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</div><h3 id='tymethod.ordinal0' class='method'><span id='ordinal0.v' class='invisible'><code>fn <a href='#tymethod.ordinal0' class='fnname'>ordinal0</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code></span></h3><div class='docblock'><p>Returns the day of year starting from 0.</p>
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<p>The return value ranges from 0 to 365. (The last day of year differs by years.)</p>
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</div><h3 id='tymethod.weekday' class='method'><span id='weekday.v' class='invisible'><code>fn <a href='#tymethod.weekday' class='fnname'>weekday</a>(&self) -> <a class="enum" href="../chrono/enum.Weekday.html" title="enum chrono::Weekday">Weekday</a></code></span></h3><div class='docblock'><p>Returns the day of week.</p>
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</div><h3 id='tymethod.iso_week' class='method'><span id='iso_week.v' class='invisible'><code>fn <a href='#tymethod.iso_week' class='fnname'>iso_week</a>(&self) -> <a class="struct" href="../chrono/naive/struct.IsoWeek.html" title="struct chrono::naive::IsoWeek">IsoWeek</a></code></span></h3><div class='docblock'><p>Returns the ISO week.</p>
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</div><h3 id='tymethod.with_year' class='method'><span id='with_year.v' class='invisible'><code>fn <a href='#tymethod.with_year' class='fnname'>with_year</a>(&self, year: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></code></span></h3><div class='docblock'><p>Makes a new value with the year number changed.</p>
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<p>Returns <code>None</code> when the resulting value would be invalid.</p>
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</div><h3 id='tymethod.with_month' class='method'><span id='with_month.v' class='invisible'><code>fn <a href='#tymethod.with_month' class='fnname'>with_month</a>(&self, month: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></code></span></h3><div class='docblock'><p>Makes a new value with the month number (starting from 1) changed.</p>
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<p>Returns <code>None</code> when the resulting value would be invalid.</p>
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</div><h3 id='tymethod.with_month0' class='method'><span id='with_month0.v' class='invisible'><code>fn <a href='#tymethod.with_month0' class='fnname'>with_month0</a>(&self, month0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></code></span></h3><div class='docblock'><p>Makes a new value with the month number (starting from 0) changed.</p>
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<p>Returns <code>None</code> when the resulting value would be invalid.</p>
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</div><h3 id='tymethod.with_day' class='method'><span id='with_day.v' class='invisible'><code>fn <a href='#tymethod.with_day' class='fnname'>with_day</a>(&self, day: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></code></span></h3><div class='docblock'><p>Makes a new value with the day of month (starting from 1) changed.</p>
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<p>Returns <code>None</code> when the resulting value would be invalid.</p>
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</div><h3 id='tymethod.with_day0' class='method'><span id='with_day0.v' class='invisible'><code>fn <a href='#tymethod.with_day0' class='fnname'>with_day0</a>(&self, day0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></code></span></h3><div class='docblock'><p>Makes a new value with the day of month (starting from 0) changed.</p>
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<p>Returns <code>None</code> when the resulting value would be invalid.</p>
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</div><h3 id='tymethod.with_ordinal' class='method'><span id='with_ordinal.v' class='invisible'><code>fn <a href='#tymethod.with_ordinal' class='fnname'>with_ordinal</a>(&self, ordinal: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></code></span></h3><div class='docblock'><p>Makes a new value with the day of year (starting from 1) changed.</p>
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<p>Returns <code>None</code> when the resulting value would be invalid.</p>
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</div><h3 id='tymethod.with_ordinal0' class='method'><span id='with_ordinal0.v' class='invisible'><code>fn <a href='#tymethod.with_ordinal0' class='fnname'>with_ordinal0</a>(&self, ordinal0: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></code></span></h3><div class='docblock'><p>Makes a new value with the day of year (starting from 0) changed.</p>
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<p>Returns <code>None</code> when the resulting value would be invalid.</p>
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</div></div>
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<h2 id='provided-methods' class='small-section-header'>
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Provided Methods<a href='#provided-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='method.year_ce' class='method'><span id='year_ce.v' class='invisible'><code>fn <a href='#method.year_ce' class='fnname'>year_ce</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></span></h3><div class='docblock'><p>Returns the absolute year number starting from 1 with a boolean flag,
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which is false when the year predates the epoch (BCE/BC) and true otherwise (CE/AD).</p>
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</div><h3 id='method.num_days_from_ce' class='method'><span id='num_days_from_ce.v' class='invisible'><code>fn <a href='#method.num_days_from_ce' class='fnname'>num_days_from_ce</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code></span></h3><div class='docblock'><p>Returns the number of days since January 1, Year 1 (aka Day 1) in the
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proleptic Gregorian calendar.</p>
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<h1 id="example" class="section-header"><a href="#example">Example:</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">chrono</span>::{<span class="ident">NaiveDate</span>, <span class="ident">Datelike</span>};
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="number">1970</span>, <span class="number">1</span>, <span class="number">1</span>).<span class="ident">num_days_from_ce</span>(), <span class="number">719163</span>);
|
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="number">0</span>, <span class="number">1</span>, <span class="number">1</span>).<span class="ident">num_days_from_ce</span>(), <span class="op">-</span><span class="number">365</span>);</pre>
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</div></div>
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<li><div class='out-of-band'><a class='srclink' href='../src/chrono/naive/date.rs.html#963-1303' title='goto source code'>[src]</a></div><code>impl Datelike for <a class="struct" href="../chrono/naive/struct.NaiveDate.html" title="struct chrono::naive::NaiveDate">NaiveDate</a></code></li>
|
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|
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<li><div class='out-of-band'><a class='srclink' href='../src/chrono/naive/datetime.rs.html#680-996' title='goto source code'>[src]</a></div><code>impl Datelike for <a class="struct" href="../chrono/naive/struct.NaiveDateTime.html" title="struct chrono::naive::NaiveDateTime">NaiveDateTime</a></code></li>
|
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|
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<li><div class='out-of-band'><a class='srclink' href='../src/chrono/date.rs.html#273-318' title='goto source code'>[src]</a></div><code>impl<Tz: <a class="trait" href="../chrono/offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>> Datelike for <a class="struct" href="../chrono/struct.Date.html" title="struct chrono::Date">Date</a><Tz></code></li>
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<li><div class='out-of-band'><a class='srclink' href='../src/chrono/datetime.rs.html#397-442' title='goto source code'>[src]</a></div><code>impl<Tz: <a class="trait" href="../chrono/offset/trait.TimeZone.html" title="trait chrono::offset::TimeZone">TimeZone</a>> Datelike for <a class="struct" href="../chrono/struct.DateTime.html" title="struct chrono::DateTime">DateTime</a><Tz></code></li>
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