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164 lines
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<p class='location'>Struct Context</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.get_context">get_context</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Fail">Fail</a><a href="#impl-Debug">Debug</a><a href="#impl-Display">Display</a><a href="#impl-From%3CD%3E">From<D></a></div></div><p class='location'><a href='index.html'>failure</a></p><script>window.sidebarCurrent = {name: 'Context', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<h1 class='fqn'><span class='in-band'>Struct <a href='index.html'>failure</a>::<wbr><a class="struct" href=''>Context</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/failure/context.rs.html#60-63' title='goto source code'>[src]</a></span></h1>
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<pre class='rust struct'>pub struct Context<D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static> { /* fields omitted */ }</pre><div class='docblock'><p>An error with context around it.</p>
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<p>The context is intended to be a human-readable, user-facing explanation for the
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error that has occurred. The underlying error is not assumed to be end-user-relevant
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information.</p>
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<p>The <code>Display</code> impl for <code>Context</code> only prints the human-readable context, while the
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<code>Debug</code> impl also prints the underlying error.</p>
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<h2 id='methods' class='small-section-header'>
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Methods<a href='#methods' class='anchor'></a>
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</h2>
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<h3 id='impl' class='impl'><span class='in-band'><code>impl<D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static> <a class="struct" href="../failure/struct.Context.html" title="struct failure::Context">Context</a><D></code><a href='#impl' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#65-81' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.new' class="method"><span id='new.v' class='invisible'><code>pub fn <a href='#method.new' class='fnname'>new</a>(context: D) -> <a class="struct" href="../failure/struct.Context.html" title="struct failure::Context">Context</a><D></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#67-70' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Creates a new context without an underlying error message.</p>
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</div><h4 id='method.get_context' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R</span></div><div class="content hidden"><h3 class="important">Important traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R</h3><code class="content"><span class="where fmt-newline">impl<'a, R> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline">impl<'a, W> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>W <span class="where fmt-newline">where<br> W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline">impl<'a, I> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>I <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <I as <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::iterator::Iterator::Item">Item</a>;</span></code></div></div><span id='get_context.v' class='invisible'><code>pub fn <a href='#method.get_context' class='fnname'>get_context</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>D</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#73-75' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Returns a reference to the context provided with this error.</p>
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</div></div>
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<h2 id='implementations' class='small-section-header'>
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Trait Implementations<a href='#implementations' class='anchor'></a>
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</h2>
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<h3 id='impl-Fail' class='impl'><span class='in-band'><code>impl<D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static> <a class="trait" href="../failure/trait.Fail.html" title="trait failure::Fail">Fail</a> for <a class="struct" href="../failure/struct.Context.html" title="struct failure::Context">Context</a><D></code><a href='#impl-Fail' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#83-91' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.cause' class="method"><span id='cause.v' class='invisible'><code>fn <a href='../failure/trait.Fail.html#method.cause' class='fnname'>cause</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="trait" href="../failure/trait.Fail.html" title="trait failure::Fail">Fail</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#84-86' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Returns a reference to the underlying cause of this failure, if it is an error that wraps other errors. <a href="../failure/trait.Fail.html#method.cause">Read more</a></p>
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</div><h4 id='method.backtrace' class="method"><span id='backtrace.v' class='invisible'><code>fn <a href='../failure/trait.Fail.html#method.backtrace' class='fnname'>backtrace</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="struct" href="../failure/struct.Backtrace.html" title="struct failure::Backtrace">Backtrace</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#88-90' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Returns a reference to the <code>Backtrace</code> carried by this failure, if it carries one. <a href="../failure/trait.Fail.html#method.backtrace">Read more</a></p>
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</div><h4 id='method.context' class="method"><span id='context.v' class='invisible'><code>fn <a href='../failure/trait.Fail.html#method.context' class='fnname'>context</a><D>(self, context: D) -> <a class="struct" href="../failure/struct.Context.html" title="struct failure::Context">Context</a><D> <span class="where fmt-newline">where<br> D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/lib.rs.html#143-149' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Provides context for this failure. <a href="../failure/trait.Fail.html#method.context">Read more</a></p>
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</div><h4 id='method.compat' class="method"><span id='compat.v' class='invisible'><code>fn <a href='../failure/trait.Fail.html#method.compat' class='fnname'>compat</a>(self) -> <a class="struct" href="../failure/struct.Compat.html" title="struct failure::Compat">Compat</a><Self> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/lib.rs.html#156-161' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Wraps this failure in a compatibility wrapper that implements <code>std::error::Error</code>. <a href="../failure/trait.Fail.html#method.compat">Read more</a></p>
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</div></div><h3 id='impl-Debug' class='impl'><span class='in-band'><code>impl<D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static> <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../failure/struct.Context.html" title="struct failure::Context">Context</a><D></code><a href='#impl-Debug' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#93-97' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#94-96' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
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</div></div><h3 id='impl-Display' class='impl'><span class='in-band'><code>impl<D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static> <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for <a class="struct" href="../failure/struct.Context.html" title="struct failure::Context">Context</a><D></code><a href='#impl-Display' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#99-103' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.fmt-1' class="method"><span id='fmt.v-1' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#100-102' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
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</div></div><h3 id='impl-From%3CD%3E' class='impl'><span class='in-band'><code>impl<D> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><D> for <a class="struct" href="../failure/struct.Context.html" title="struct failure::Context">Context</a><D> <span class="where fmt-newline">where<br> D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static, </span></code><a href='#impl-From%3CD%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#136-143' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.from' class="method"><span id='from.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(display: D) -> <a class="struct" href="../failure/struct.Context.html" title="struct failure::Context">Context</a><D></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/failure/context.rs.html#140-142' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Performs the conversion.</p>
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|
|
<dd>Go to active search result</dd>
|
|||
|
|
<dt><kbd>+</kbd></dt>
|
|||
|
|
<dd>Expand all sections</dd>
|
|||
|
|
<dt><kbd>-</kbd></dt>
|
|||
|
|
<dd>Collapse all sections</dd>
|
|||
|
|
</dl>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div class="infos">
|
|||
|
|
<h2>Search Tricks</h2>
|
|||
|
|
|
|||
|
|
<p>
|
|||
|
|
Prefix searches with a type followed by a colon (e.g.
|
|||
|
|
<code>fn:</code>) to restrict the search to a given type.
|
|||
|
|
</p>
|
|||
|
|
|
|||
|
|
<p>
|
|||
|
|
Accepted types are: <code>fn</code>, <code>mod</code>,
|
|||
|
|
<code>struct</code>, <code>enum</code>,
|
|||
|
|
<code>trait</code>, <code>type</code>, <code>macro</code>,
|
|||
|
|
and <code>const</code>.
|
|||
|
|
</p>
|
|||
|
|
|
|||
|
|
<p>
|
|||
|
|
Search functions by type signature (e.g.
|
|||
|
|
<code>vec -> usize</code> or <code>* -> vec</code>)
|
|||
|
|
</p>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</aside>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<script>
|
|||
|
|
window.rootPath = "../";
|
|||
|
|
window.currentCrate = "failure";
|
|||
|
|
</script>
|
|||
|
|
<script src="../main.js"></script>
|
|||
|
|
<script defer src="../search-index.js"></script>
|
|||
|
|
</body>
|
|||
|
|
</html>
|