<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `Error` struct in crate `failure`."><metaname="keywords"content="rust, rustlang, rust-lang, Error"><title>failure::Error - Rust</title><linkrel="stylesheet"type="text/css"href="../normalize.css"><linkrel="stylesheet"type="text/css"href="../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../dark.css"><linkrel="stylesheet"type="text/css"href="../light.css"id="themeStyle"><scriptsrc="../storage.js"></script><noscript><linkrel="stylesheet"href="../noscript.css"></noscript><linkrel="shortcut icon"href="../favicon.ico"><styletype="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><bodyclass="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu">☰</div><ahref='../failure/index.html'><divclass='logo-container'><imgsrc='../rust-logo.png'alt='logo'></div></a><pclass='location'>Struct Error</p><divclass="sidebar-elems"><divclass="block items"><aclass="sidebar-title"href="#methods">Methods</a><divclass="sidebar-links"><ahref="#method.as_fail">as_fail</a><ahref="#method.backtrace">backtrace</a><ahref="#method.cause">cause</a><ahref="#method.causes">causes</a><ahref="#method.compat">compat</a><ahref="#method.context">context</a><ahref="#method.downcast">downcast</a><ahref="#method.downcast_mut">downcast_mut</a><ahref="#method.downcast_ref">downcast_ref</a><ahref="#method.find_root_cause">find_root_cause</a><ahref="#method.from_boxed_compat">from_boxed_compat</a><ahref="#method.iter_causes">iter_causes</a><ahref="#method.iter_chain">iter_chain</a><ahref="#method.name">name</a><ahref="#method.root_cause">root_cause</a></div><aclass="sidebar-title"href="#implementations">Trait Implementations</a><divclass="sidebar-links"><ahref="#impl-AsFail">AsFail</a><ahref="#impl-AsRef%3Cdyn%20Fail%20+%20%27static%3E">AsRef<dyn Fail + 'static></a><ahref="#impl-Debug">Debug</a><ahref="#impl-Display">Display</a><ahref="#impl-From%3CError%3E">From<Error></a><ahref="#impl-From%3CF%3E">From<F></a><ahref="#impl-ResultExt%3CT%2C%20Error%3E">ResultExt<T, Error></a></div><aclass="sidebar-title"href="#synthetic-implementations">Auto Trait Implementations</a><divclass="sidebar-links"><ahref="#impl-RefUnwindSafe">!RefUnwindSafe</a><ahref="#impl-Send">Send</a><ahref="#impl-Sync">Sync</a><ahref="#impl-Unpin">Unpin</a><ahref="#impl-UnwindSafe">!UnwindSafe</a></div><aclass="sidebar-title"href="#blanket-implementations">Blanket Implementations</a><divclass="sidebar-links"><ahref="#impl-Any">Any</a><ahref="#impl-Borrow%3CT%3E">Borrow<T></a><ahref="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><ahref="#impl-From%3CT%3E">From<T></a><ahref="#impl-Into%3CU%3E">Into<U></a><ahref="#impl-ToString">ToString</a><ahref="#impl-TryFrom%3CU%3E">TryFrom<U></a><ahref="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><pclass='location'><ahref='index.html'>failure</a></p><script>window.sidebarCurrent={name:'Error',ty:'struct',relpath:''};</script><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"><imgsrc="../brush.svg"width="18"alt="Pick another theme!"></button><divid="theme-choices"></div></div><scriptsrc="../theme.js"></script><navclass="sub"><formclass="search-form js-only"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"></div><aid="settings-menu"href="../settings.html"><imgsr
<p>Functions which accumulate many kinds of errors should return this type.
All failures can be converted into it, so functions which catch those
errors can be tried with <code>?</code> inside of a function that returns this kind
of error.</p>
<p>In addition to implementing <code>Debug</code> and <code>Display</code>, this type carries <code>Backtrace</code>
information, and can be downcast into the failure that underlies it for
</div><h4id='method.as_fail'class="method"><codeid='as_fail.v'>pub fn <ahref='#method.as_fail'class='fnname'>as_fail</a>(&self) ->&dyn <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#69-71'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Return a reference to the underlying failure that this <code>Error</code>
contains.</p>
</div><h4id='method.name'class="method"><codeid='name.v'>pub fn <ahref='#method.name'class='fnname'>name</a>(&self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><&<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>></code><aclass='srclink'href='../src/failure/error/mod.rs.html#74-76'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Returns the name of the underlying fail.</p>
</div><h4id='method.cause'class="method"><codeid='cause.v'>pub fn <ahref='#method.cause'class='fnname'>cause</a>(&self) ->&dyn <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#85-87'title='goto source code'>[src]</a></h4><divclass='stability'><divclass='stab deprecated'>Deprecated since 0.1.2: <p>please use 'as_fail()' method instead</p>
</div></div><divclass='docblock'><p>Returns a reference to the underlying cause of this <code>Error</code>. Unlike the
method on <code>Fail</code>, this does not return an <code>Option</code>. The <code>Error</code> type
always has an underlying failure.</p>
<p>This method has been deprecated in favor of the <ahref="../failure/struct.Error.html#method.as_fail"title="Error::as_fail">Error::as_fail</a> method,
which does the same thing.</p>
</div><h4id='method.backtrace'class="method"><codeid='backtrace.v'>pub fn <ahref='#method.backtrace'class='fnname'>backtrace</a>(&self) ->&<aclass="struct"href="../failure/struct.Backtrace.html"title="struct failure::Backtrace">Backtrace</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#94-96'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Gets a reference to the <code>Backtrace</code> for this <code>Error</code>.</p>
<p>If the failure this wrapped carried a backtrace, that backtrace will
be returned. Otherwise, the backtrace will have been constructed at
the point that failure was cast into the <code>Error</code> type.</p>
<p>This can provide additional information about this error, appropriate
to the semantics of the current layer. That is, if you have a
lower-level error, such as an IO error, you can provide additional context
about what that error means in the context of your function. This
gives users of this function more information about what has gone
wrong.</p>
<p>This takes any type that implements <code>Display</code>, as well as
<code>Send</code>/<code>Sync</code>/<code>'static</code>. In practice, this means it can take a <code>String</code>
or a string literal, or a failure, or some other custom context-carrying
type.</p>
</div><h4id='method.compat'class="method"><codeid='compat.v'>pub fn <ahref='#method.compat'class='fnname'>compat</a>(self) -><aclass="struct"href="../failure/struct.Compat.html"title="struct failure::Compat">Compat</a><<aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a>></code><aclass='srclink'href='../src/failure/error/mod.rs.html#120-122'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Wraps <code>Error</code> in a compatibility type.</p>
<p>This type implements the <code>Error</code> trait from <code>std::error</code>. If you need
to pass failure's <code>Error</code> to an interface that takes any <code>Error</code>, you
can use this method to get a compatible type.</p>
</div><h4id='method.downcast'class="method"><codeid='downcast.v'>pub fn <ahref='#method.downcast'class='fnname'>downcast</a><T: <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a>>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a>></code><aclass='srclink'href='../src/failure/error/mod.rs.html#130-132'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Attempts to downcast this <code>Error</code> to a particular <code>Fail</code> type.</p>
<p>This downcasts by value, returning an owned <code>T</code> if the underlying
failure is of the type <code>T</code>. For this reason it returns a <code>Result</code> - in
the case that the underlying error is of a different type, the
original <code>Error</code> is returned.</p>
</div><h4id='method.find_root_cause'class="method"><codeid='find_root_cause.v'>pub fn <ahref='#method.find_root_cause'class='fnname'>find_root_cause</a>(&self) ->&dyn <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#136-138'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Returns the "root cause" of this error - the last value in the
cause chain which does not return an underlying <code>cause</code>.</p>
</div><h4id='method.iter_causes'class="method"><divclass="important-traits"><divclass='tooltip'>ⓘ<spanclass='tooltiptext'>Important traits for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></span></div><divclass="content hidden"><h3class="important">Important traits for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></h3><codeclass="content"><spanclass="where fmt-newline">impl<'f><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></span><spanclass="where fmt-newline"> type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item'class="type">Item</a> = &'f dyn <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a>;</span></code></div></div><codeid='iter_causes.v'>pub fn <ahref='#method.iter_causes'class='fnname'>iter_causes</a>(&self) -><aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#144-146'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Returns a iterator over the causes of this error with the cause
of the fail as the first item and the <code>root_cause</code> as the final item.</p>
<p>Use <code>iter_chain</code> to also include the fail of this error itself.</p>
</div><h4id='method.iter_chain'class="method"><divclass="important-traits"><divclass='tooltip'>ⓘ<spanclass='tooltiptext'>Important traits for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></span></div><divclass="content hidden"><h3class="important">Important traits for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></h3><codeclass="content"><spanclass="where fmt-newline">impl<'f><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></span><spanclass="where fmt-newline"> type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item'class="type">Item</a> = &'f dyn <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a>;</span></code></div></div><codeid='iter_chain.v'>pub fn <ahref='#method.iter_chain'class='fnname'>iter_chain</a>(&self) -><aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#154-156'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Returns a iterator over all fails up the chain from the current
as the first item up to the <code>root_cause</code> as the final item.</p>
<p>This means that the chain also includes the fail itself which
means that it does <em>not</em> start with <code>cause</code>. To skip the outermost
fail use <code>iter_causes</code> instead.</p>
</div><h4id='method.downcast_ref'class="method"><codeid='downcast_ref.v'>pub fn <ahref='#method.downcast_ref'class='fnname'>downcast_ref</a><T: <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a>>(&self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T></code><aclass='srclink'href='../src/failure/error/mod.rs.html#162-164'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Attempts to downcast this <code>Error</code> to a particular <code>Fail</code> type by
reference.</p>
<p>If the underlying error is not of type <code>T</code>, this will return <code>None</code>.</p>
</div><h4id='method.downcast_mut'class="method"><codeid='downcast_mut.v'>pub fn <ahref='#method.downcast_mut'class='fnname'>downcast_mut</a><T: <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a>>(&mut self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T></code><aclass='srclink'href='../src/failure/error/mod.rs.html#170-172'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Attempts to downcast this <code>Error</code> to a particular <code>Fail</code> type by
mutable reference.</p>
<p>If the underlying error is not of type <code>T</code>, this will return <code>None</code>.</p>
</div><h4id='method.root_cause'class="method"><codeid='root_cause.v'>pub fn <ahref='#method.root_cause'class='fnname'>root_cause</a>(&self) ->&dyn <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#176-178'title='goto source code'>[src]</a></h4><divclass='stability'><divclass='stab deprecated'>Deprecated since 0.1.2: <p>please use the 'find_root_cause()' method instead</p>
</div></div><divclass='docblock'><p>Deprecated alias to <code>find_root_cause</code>.</p>
</div><h4id='method.causes'class="method"><divclass="important-traits"><divclass='tooltip'>ⓘ<spanclass='tooltiptext'>Important traits for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></span></div><divclass="content hidden"><h3class="important">Important traits for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></h3><codeclass="content"><spanclass="where fmt-newline">impl<'f><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a><'f></span><spanclass="where fmt-newline"> type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item'class="type">Item</a> = &'f dyn <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a>;</span></code></div></div><codeid='causes.v'>pub fn <ahref='#method.causes'class='fnname'>causes</a>(&self) -><aclass="struct"href="../failure/struct.Causes.html"title="struct failure::Causes">Causes</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#182-184'title='goto source code'>[src]</a></h4><divclass='stability'><divclass='stab deprecated'>Deprecated since 0.1.2: <p>please use the 'iter_chain()' method instead</p>
</div></div><divclass='docblock'><p>Deprecated alias to <code>iter_causes</code>.</p>
</div></div><h2id='implementations'class='small-section-header'>Trait Implementations<ahref='#implementations'class='anchor'></a></h2><divid='implementations-list'><h3id='impl-AsFail'class='impl'><codeclass='in-band'>impl <aclass="trait"href="../failure/trait.AsFail.html"title="trait failure::AsFail">AsFail</a> for <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a></code><ahref='#impl-AsFail'class='anchor'></a><aclass='srclink'href='../src/failure/as_fail.rs.html#32-36'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.as_fail-1'class="method hidden"><codeid='as_fail.v-1'>fn <ahref='../failure/trait.AsFail.html#tymethod.as_fail'class='fnname'>as_fail</a>(&self) ->&dyn <aclass="trait"href="../failure/trait.Fail.html"title="trait failure::Fail">Fail</a></code><aclass='srclink'href='../src/failure/as_fail.rs.html#33-35'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Converts a reference to <code>Self</code> into a dynamic trait object of <code>Fail</code>.</p>
</div></div><h3id='impl-ResultExt%3CT%2C%20Error%3E'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="../failure/trait.ResultExt.html"title="trait failure::ResultExt">ResultExt</a><T, <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a>> for <aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a>></code><ahref='#impl-ResultExt%3CT%2C%20Error%3E'class='anchor'></a><aclass='srclink'href='../src/failure/result_ext.rs.html#182-202'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.compat-1'class="method hidden"><codeid='compat.v-1'>fn <ahref='../failure/trait.ResultExt.html#tymethod.compat'class='fnname'>compat</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <aclass="struct"href="../failure/struct.Compat.html"title="struct failure::Compat">Compat</a><<aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a>>></code><aclass='srclink'href='../src/failure/result_ext.rs.html#183-185'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Wraps the error in <code>Compat</code> to make it compatible with older error handling APIs that expect <code>std::error::Error</code>. <ahref="../failure/trait.ResultExt.html#tymethod.compat">Read more</a></p>
</div><h4id='method.context-1'class="method hidden"><codeid='context.v-1'>fn <ahref='../failure/trait.ResultExt.html#tymethod.context'class='fnname'>context</a><D>(self, context: D) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <aclass="struct"href="../failure/struct.Context.html"title="struct failure::Context">Context</a><D>><spanclass="where fmt-newline">where<br> D: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> + <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> + <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> + 'static, </span></code><aclass='srclink'href='../src/failure/result_ext.rs.html#187-191'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Wraps the error type in a context type. <ahref="../failure/trait.ResultExt.html#tymethod.context">Read more</a></p>
</div><h4id='method.with_context'class="method hidden"><codeid='with_context.v'>fn <ahref='../failure/trait.ResultExt.html#tymethod.with_context'class='fnname'>with_context</a><F, D>(self, f: F) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <aclass="struct"href="../failure/struct.Context.html"title="struct failure::Context">Context</a><D>><spanclass="where fmt-newline">where<br> F: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html"title="trait core::ops::function::FnOnce">FnOnce</a>(&<aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a>) -> D,<br> D: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> + <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> + <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> + 'static, </span></code><aclass='srclink'href='../src/failure/result_ext.rs.html#193-201'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Wraps the error type in a context type generated by looking at the error value. <ahref="../failure/trait.ResultExt.html#tymethod.with_context">Read more</a></p>
</div></div><h3id='impl-Debug'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html"title="trait core::fmt::Debug">Debug</a> for <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a></code><ahref='#impl-Debug'class='anchor'></a><aclass='srclink'href='../src/failure/error/mod.rs.html#193-202'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.fmt'class="method hidden"><codeid='fmt.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt'class='fnname'>fmt</a>(&self, f: &mut <aclass="struct"href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html"title="struct core::fmt::Formatter">Formatter</a>) -><aclass="type"href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html"title="type core::fmt::Result">Result</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#194-201'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Formats the value using the given formatter. <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3id='impl-Display'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> for <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a></code><ahref='#impl-Display'class='anchor'></a><aclass='srclink'href='../src/failure/error/mod.rs.html#187-191'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.fmt-1'class="method hidden"><codeid='fmt.v-1'>fn <ahref='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt'class='fnname'>fmt</a>(&self, f: &mut <aclass="struct"href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html"title="struct core::fmt::Formatter">Formatter</a>) -><aclass="type"href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html"title="type core::fmt::Result">Result</a></code><aclass='srclink'href='../src/failure/error/mod.rs.html#188-190'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Formats the value using the given formatter. <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
</div></div></div><h2id='synthetic-implementations'class='small-section-header'>Auto Trait Implementations<ahref='#synthetic-implementations'class='anchor'></a></h2><divid='synthetic-implementations-list'><h3id='impl-Sync'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> for <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a></code><ahref='#impl-Sync'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-Send'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> for <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a></code><ahref='#impl-Send'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-Unpin'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html"title="trait core::marker::Unpin">Unpin</a> for <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a></code><ahref='#impl-Unpin'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-RefUnwindSafe'class='impl'><codeclass='in-band'>impl !<aclass="trait"href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html"title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a></code><ahref='#impl-RefUnwindSafe'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-UnwindSafe'class='impl'><codeclass='in-band'>impl !<aclass="trait"href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html"title="trait std::panic::UnwindSafe">UnwindSafe</a> for <aclass="struct"href="../failure/struct.Error.html"title="struct failure::Error">Error</a></code><ahref='#impl-UnwindSafe'class='anchor'></a></h3><divclass='impl-items'></div></div><h2id='blanket-implementations'class='small-section-header'>Blanket Implementations<ahref='#blanket-implementations'class='anchor'></a></h2><divid='blanket-implementations-list'><h3id='impl-Into%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><T>, </span></code><ahref='#impl-Into%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#543-548'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.into'class="method hidden"><codeid='into.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into'class='fnname'>into</a>(self) -> U</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#545-547'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-ToString'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html"title="trait alloc::string::ToString">ToString</a> for T <spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-ToString'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2134-2144'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.to_string'class="method hidden"><codeid='to_string.v'>default fn <ahref='https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string'class='fnname'>to_string</a>(&self) -><aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html"title="struct alloc::string::String">String</a></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2136-2143'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Converts the given value to a <code>String</code>. <ahref="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string">Read more</a></p>
</div></div><h3id='impl-From%3CT%3E'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for T</code><ahref='#impl-From%3CT%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#552-554'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.from-3'class="method hidden"><codeid='from.v-3'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from'class='fnname'>from</a>(t: T) -> T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#553'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-TryFrom%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>, </span></code><ahref='#impl-TryFrom%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#571-577'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Error'class="type"><codeid='Error.t'>type <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error'class="type">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></code></h4><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4id='method.try_from'class="method hidden"><codeid='try_from.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from'class='fnname'>try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#574-576'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-TryInto%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><ahref='#impl-TryInto%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#559-566'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Error-1'class="type"><codeid='Error.t-1'>type <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error'class="type">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></code></h4><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4id='method.try_into'class="method hidden"><codeid='try_into.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into'class='fnname'>try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#563-565'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-BorrowMut%3CT%3E'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html"title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-BorrowMut%3CT%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.borrow_mut'class="method hidden"><codeid='borrow_mut.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut'class='fnname'>borrow_mut</a>(&mut self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Mutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3id='impl-Borrow%3CT%3E'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html"title="trait core::borrow::Borrow">Borrow</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-Borrow%3CT%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-215'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.borrow'class="method hidden"><codeid='borrow.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow'class='fnname'>borrow</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Immutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3id='impl-Any'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html"title="trait core::any::Any">Any</a> for T <spanclass="where fmt-newline">where<br> T: 'static + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-Any'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#100-102'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.type_id'class="method hidden"><codeid='type_id.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id'class='fnname'>type_id</a>(&self) -><aclass="struct"href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html"title="struct core::any::TypeId">TypeId</a></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#101'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <ahref="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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