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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="A small and `no_std` compatible error type"><meta name="keywords" content="rust, rustlang, rust-lang, Error"><title>getrandom::Error - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><script src="../crates.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="https://www.rust-lang.org/favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../getrandom/index.html'><div class='logo-container'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk.png' alt='logo'></div></a><p class="location">Struct Error</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.code">code</a><a href="#method.raw_os_error">raw_os_error</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Copy">Copy</a><a href="#impl-Debug">Debug</a><a href="#impl-Display">Display</a><a href="#impl-Eq">Eq</a><a href="#impl-Error">Error</a><a href="#impl-From%3CNonZeroU32%3E">From<NonZeroU32></a><a href="#impl-PartialEq%3CError%3E">PartialEq<Error></a><a href="#impl-StructuralEq">StructuralEq</a><a href="#impl-StructuralPartialEq">StructuralPartialEq</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-ToOwned">ToOwned</a><a href="#impl-ToString">ToString</a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class="location"><a href="index.html">getrandom</a></p><div id="sidebar-vars" data-name="Error" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press βSβ to search, β?β for more optionsβ¦" type="search"></div><button type="button" class="help-button">?</button>
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<a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Struct <a href="index.html">getrandom</a>::<wbr><a class="struct" href="">Error</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">−</span>]</a></span><a class="srclink" href="../src/getrandom/error.rs.html#25" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct Error(_);</pre></div><div class="docblock"><p>A small and <code>no_std</code> compatible error type</p>
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<p>The <a href="../getrandom/struct.Error.html#method.raw_os_error" title="Error::raw_os_error()"><code>Error::raw_os_error()</code></a> will indicate if the error is from the OS, and
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if so, which error code the OS gave the application. If such an error is
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encountered, please consult with your system documentation.</p>
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<p>Internally this type is a NonZeroU32, with certain values reserved for
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certain purposes, see <a href="../getrandom/struct.Error.html#associatedconstant.INTERNAL_START" title="Error::INTERNAL_START"><code>Error::INTERNAL_START</code></a> and <a href="../getrandom/struct.Error.html#associatedconstant.CUSTOM_START" title="Error::CUSTOM_START"><code>Error::CUSTOM_START</code></a>.</p>
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<p><em>If this crateβs <code>"std"</code> Cargo feature is enabled</em>, then:</p>
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<ul>
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<li><a href="../getrandom/struct.Error.html" title="Error"><code>getrandom::Error</code></a> implements
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<a href="https://doc.rust-lang.org/std/error/trait.Error.html"><code>std::error::Error</code></a></li>
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<li><a href="https://doc.rust-lang.org/std/io/struct.Error.html"><code>std::io::Error</code></a> implements
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<a href="https://doc.rust-lang.org/std/convert/trait.From.html"><code>From<getrandom::Error></code></a>.</li>
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</ul>
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</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#33-90" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedconstant.UNSUPPORTED" class="associatedconstant"><code>pub const <a href="#associatedconstant.UNSUPPORTED" class="constant"><b>UNSUPPORTED</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#35" title="goto source code">[src]</a></h4><div class="docblock"><p>This target/platform is not supported by <code>getrandom</code>.</p>
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</div><h4 id="associatedconstant.ERRNO_NOT_POSITIVE" class="associatedconstant"><code>pub const <a href="#associatedconstant.ERRNO_NOT_POSITIVE" class="constant"><b>ERRNO_NOT_POSITIVE</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#37" title="goto source code">[src]</a></h4><div class="docblock"><p>The platform-specific <code>errno</code> returned a non-positive value.</p>
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</div><h4 id="associatedconstant.IOS_SEC_RANDOM" class="associatedconstant"><code>pub const <a href="#associatedconstant.IOS_SEC_RANDOM" class="constant"><b>IOS_SEC_RANDOM</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#39" title="goto source code">[src]</a></h4><div class="docblock"><p>Call to iOS <a href="https://developer.apple.com/documentation/security/1399291-secrandomcopybytes"><code>SecRandomCopyBytes</code></a> failed.</p>
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</div><h4 id="associatedconstant.WINDOWS_RTL_GEN_RANDOM" class="associatedconstant"><code>pub const <a href="#associatedconstant.WINDOWS_RTL_GEN_RANDOM" class="constant"><b>WINDOWS_RTL_GEN_RANDOM</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#41" title="goto source code">[src]</a></h4><div class="docblock"><p>Call to Windows <a href="https://docs.microsoft.com/en-us/windows/win32/api/ntsecapi/nf-ntsecapi-rtlgenrandom"><code>RtlGenRandom</code></a> failed.</p>
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</div><h4 id="associatedconstant.FAILED_RDRAND" class="associatedconstant"><code>pub const <a href="#associatedconstant.FAILED_RDRAND" class="constant"><b>FAILED_RDRAND</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#43" title="goto source code">[src]</a></h4><div class="docblock"><p>RDRAND instruction failed due to a hardware issue.</p>
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</div><h4 id="associatedconstant.NO_RDRAND" class="associatedconstant"><code>pub const <a href="#associatedconstant.NO_RDRAND" class="constant"><b>NO_RDRAND</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#45" title="goto source code">[src]</a></h4><div class="docblock"><p>RDRAND instruction unsupported on this target.</p>
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</div><h4 id="associatedconstant.WEB_CRYPTO" class="associatedconstant"><code>pub const <a href="#associatedconstant.WEB_CRYPTO" class="constant"><b>WEB_CRYPTO</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#47" title="goto source code">[src]</a></h4><div class="docblock"><p>The browser does not have support for <code>self.crypto</code>.</p>
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</div><h4 id="associatedconstant.WEB_GET_RANDOM_VALUES" class="associatedconstant"><code>pub const <a href="#associatedconstant.WEB_GET_RANDOM_VALUES" class="constant"><b>WEB_GET_RANDOM_VALUES</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#49" title="goto source code">[src]</a></h4><div class="docblock"><p>The browser does not have support for <code>crypto.getRandomValues</code>.</p>
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</div><h4 id="associatedconstant.VXWORKS_RAND_SECURE" class="associatedconstant"><code>pub const <a href="#associatedconstant.VXWORKS_RAND_SECURE" class="constant"><b>VXWORKS_RAND_SECURE</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#51" title="goto source code">[src]</a></h4><div class="docblock"><p>On VxWorks, call to <code>randSecure</code> failed (random number generator is not yet initialized).</p>
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</div><h4 id="associatedconstant.NODE_CRYPTO" class="associatedconstant"><code>pub const <a href="#associatedconstant.NODE_CRYPTO" class="constant"><b>NODE_CRYPTO</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#53" title="goto source code">[src]</a></h4><div class="docblock"><p>NodeJS does not have support for the <code>crypto</code> module.</p>
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</div><h4 id="associatedconstant.NODE_RANDOM_FILL_SYNC" class="associatedconstant"><code>pub const <a href="#associatedconstant.NODE_RANDOM_FILL_SYNC" class="constant"><b>NODE_RANDOM_FILL_SYNC</b></a>: <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#55" title="goto source code">[src]</a></h4><div class="docblock"><p>NodeJS does not have support for <code>crypto.randomFillSync</code>.</p>
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</div><h4 id="associatedconstant.INTERNAL_START" class="associatedconstant"><code>pub const <a href="#associatedconstant.INTERNAL_START" class="constant"><b>INTERNAL_START</b></a>: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code><a class="srclink" href="../src/getrandom/error.rs.html#60" title="goto source code">[src]</a></h4><div class="docblock"><p>Codes below this point represent OS Errors (i.e. positive i32 values).
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Codes at or above this point, but below <a href="../getrandom/struct.Error.html#associatedconstant.CUSTOM_START" title="Error::CUSTOM_START"><code>Error::CUSTOM_START</code></a> are
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reserved for use by the <code>rand</code> and <code>getrandom</code> crates.</p>
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</div><h4 id="associatedconstant.CUSTOM_START" class="associatedconstant"><code>pub const <a href="#associatedconstant.CUSTOM_START" class="constant"><b>CUSTOM_START</b></a>: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code><a class="srclink" href="../src/getrandom/error.rs.html#64" title="goto source code">[src]</a></h4><div class="docblock"><p>Codes at or above this point can be used by users to define their own
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custom errors.</p>
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</div><h4 id="method.raw_os_error" class="method"><code>pub fn <a href="#method.raw_os_error" class="fnname">raw_os_error</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="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>></code><a class="srclink" href="../src/getrandom/error.rs.html#74-80" title="goto source code">[src]</a></h4><div class="docblock"><p>Extract the raw OS error code (if this error came from the OS)</p>
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<p>This method is identical to <a href="https://doc.rust-lang.org/std/io/struct.Error.html#method.raw_os_error"><code>std::io::Error::raw_os_error()</code></a>, except
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that it works in <code>no_std</code> contexts. If this method returns <code>None</code>, the
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error value can still be formatted via the <code>Display</code> implementation.</p>
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</div><h4 id="method.code" class="method"><code>pub const fn <a href="#method.code" class="fnname">code</a>(self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroU32.html" title="struct core::num::nonzero::NonZeroU32">NonZeroU32</a></code><a class="srclink" href="../src/getrandom/error.rs.html#87-89" title="goto source code">[src]</a></h4><div class="docblock"><p>Extract the bare error code.</p>
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<p>This code can either come from the underlying OS, or be a custom error.
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Use <a href="../getrandom/struct.Error.html#method.raw_os_error" title="Error::raw_os_error()"><code>Error::raw_os_error()</code></a> to disambiguate.</p>
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</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Clone" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Clone" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.clone" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone" class="fnname">clone</a>(&self) -> <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
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</div><h4 id="method.clone_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from" class="fnname">clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/clone.rs.html#130" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
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</div></div><h3 id="impl-Copy" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Copy" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Debug" class="impl"><code class="in-band">impl <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="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#116-133" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><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><a class="srclink" href="../src/getrandom/error.rs.html#117-132" title="goto source code">[src]</a></h4><div class='docblock hidden'><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"><code class="in-band">impl <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="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Display" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#135-149" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt-1" class="method hidden"><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><a class="srclink" href="../src/getrandom/error.rs.html#136-148" title="goto source code">[src]</a></h4><div class='docblock hidden'><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-Eq" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Eq" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Error" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html" title="trait std::error::Error">Error</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Error" class="anchor"></a><a class="srclink" href="../src/getrandom/error_impls.rs.html#24" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.source" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.source" class="fnname">source</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&(dyn <a class="trait" href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html" title="trait std::error::Error">Error</a> + 'static)></code><span class="since" title="Stable since Rust version 1.30.0">1.30.0</span><a class="srclink" href="https://doc.rust-lang.org/nightly/src/std/error.rs.html#99" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>The lower-level source of this error, if any. <a href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.source">Read more</a></p>
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</div><h4 id="method.backtrace" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/error/trait.Error.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="https://doc.rust-lang.org/nightly/std/backtrace/struct.Backtrace.html" title="struct std::backtrace::Backtrace">Backtrace</a>></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/std/error.rs.html#127" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">π¬</span> This is a nightly-only experimental API. (<code>backtrace</code>)</div></div><div class='docblock hidden'><p>Returns a stack backtrace, if available, of where this error occurred. <a href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.backtrace">Read more</a></p>
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</div><h4 id="method.description" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.description" class="fnname">description</a>(&self) -> &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a></code><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span><a class="srclink" href="https://doc.rust-lang.org/nightly/src/std/error.rs.html#139" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab deprecated"><span class="emoji">π</span> Deprecated since 1.42.0: <p>use the Display impl or to_string()</p>
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</div></div><div class='docblock hidden'> <a href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.description">Read more</a></div><h4 id="method.cause" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/error/trait.Error.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><&dyn <a class="trait" href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html" title="trait std::error::Error">Error</a>></code><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span><a class="srclink" href="https://doc.rust-lang.org/nightly/src/std/error.rs.html#149" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab deprecated"><span class="emoji">π</span> Deprecated since 1.33.0: <p>replaced by Error::source, which can support downcasting</p>
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</div></div></div><h3 id="impl-From%3CNonZeroU32%3E" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroU32.html" title="struct core::num::nonzero::NonZeroU32">NonZeroU32</a>> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-From%3CNonZeroU32%3E" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#151-155" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(code: <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/nonzero/struct.NonZeroU32.html" title="struct core::num::nonzero::NonZeroU32">NonZeroU32</a>) -> Self</code><a class="srclink" href="../src/getrandom/error.rs.html#152-154" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id="impl-PartialEq%3CError%3E" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><<a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a>> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-PartialEq%3CError%3E" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.eq" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq" class="fnname">eq</a>(&self, other: &<a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
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by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
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</div><h4 id="method.ne" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne" class="fnname">ne</a>(&self, other: &<a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>!=</code>.</p>
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</div></div><h3 id="impl-StructuralEq" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.StructuralEq.html" title="trait core::marker::StructuralEq">StructuralEq</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-StructuralEq" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-StructuralPartialEq" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-StructuralPartialEq" class="anchor"></a><a class="srclink" href="../src/getrandom/error.rs.html#24" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-RefUnwindSafe" class="anchor"></a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Send" class="anchor"></a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Sync" class="anchor"></a></h3><div class="impl-items"></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-Unpin" class="anchor"></a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../getrandom/struct.Error.html" title="struct getrandom::Error">Error</a></code><a href="#impl-UnwindSafe" class="anchor"></a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#131-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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||
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#208-213" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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||
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#216-220" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
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||
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#544-548" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from-1" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -> T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#533-540" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -> U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#537" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id="impl-ToOwned" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, </span></code><a href="#impl-ToOwned" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#81-93" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Owned" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="type">Owned</a> = T</code></h4><div class='docblock'><p>The resulting type after obtaining ownership.</p>
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</div><h4 id="method.to_owned" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fnname">to_owned</a>(&self) -> T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#86" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
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</div><h4 id="method.clone_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fnname">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#90" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><details><summary><span class="emoji">π¬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
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</details></div></div><div class='docblock hidden'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
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</div></div><h3 id="impl-ToString" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html" title="trait alloc::string::ToString">ToString</a> for T <span class="where fmt-newline">where<br> T: <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.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href="#impl-ToString" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2261-2274" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.to_string" class="method hidden"><code>pub default fn <a href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string" class="fnname">to_string</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2267" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Converts the given value to a <code>String</code>. <a href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string">Read more</a></p>
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</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#581-590" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#587" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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||
</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#567-576" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="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><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#573" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
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