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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="API documentation for the Rust `Hasher` struct in crate `openssl`."><meta name="keywords" content="rust, rustlang, rust-lang, Hasher"><title>openssl::hash::Hasher - 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><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><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">☰</div><a href='../../openssl/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Struct Hasher</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.finish">finish</a><a href="#method.finish_xof">finish_xof</a><a href="#method.new">new</a><a href="#method.update">update</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-Drop">Drop</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Write">Write</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-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-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class="location"><a href="../index.html">openssl</a>::<wbr><a href="index.html">hash</a></p><script>window.sidebarCurrent = {name: "Hasher", ty: "struct", relpath: ""};</script><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" 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 ‘S’ to search, ‘?’ for more options…" 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" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><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/openssl/hash.rs.html#218-223" title="goto source code">[src]</a></span><span class="in-band">Struct <a href="../index.html">openssl</a>::<wbr><a href="index.html">hash</a>::<wbr><a class="struct" href="">Hasher</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct Hasher { /* fields omitted */ }</pre></div><div class="docblock"><p>Provides message digest (hash) computation.</p>
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<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
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<p>Calculate a hash in one go:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">openssl</span>::<span class="ident">hash</span>::{<span class="ident">hash</span>, <span class="ident">MessageDigest</span>};
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<span class="kw">let</span> <span class="ident">data</span> <span class="op">=</span> <span class="string">b"\x42\xF4\x97\xE0"</span>;
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<span class="kw">let</span> <span class="ident">spec</span> <span class="op">=</span> <span class="string">b"\x7c\x43\x0f\x17\x8a\xef\xdf\x14\x87\xfe\xe7\x14\x4e\x96\x41\xe2"</span>;
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<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">hash</span>(<span class="ident">MessageDigest</span>::<span class="ident">md5</span>(), <span class="ident">data</span>).<span class="ident">unwrap</span>();
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">&</span><span class="kw-2">*</span><span class="ident">res</span>, <span class="ident">spec</span>);</pre></div>
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<p>Supply the input in chunks:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">openssl</span>::<span class="ident">hash</span>::{<span class="ident">Hasher</span>, <span class="ident">MessageDigest</span>};
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<span class="kw">let</span> <span class="ident">data</span> <span class="op">=</span> [<span class="string">b"\x42\xF4"</span>, <span class="string">b"\x97\xE0"</span>];
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<span class="kw">let</span> <span class="ident">spec</span> <span class="op">=</span> <span class="string">b"\x7c\x43\x0f\x17\x8a\xef\xdf\x14\x87\xfe\xe7\x14\x4e\x96\x41\xe2"</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">h</span> <span class="op">=</span> <span class="ident">Hasher</span>::<span class="ident">new</span>(<span class="ident">MessageDigest</span>::<span class="ident">md5</span>()).<span class="ident">unwrap</span>();
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<span class="ident">h</span>.<span class="ident">update</span>(<span class="ident">data</span>[<span class="number">0</span>]).<span class="ident">unwrap</span>();
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<span class="ident">h</span>.<span class="ident">update</span>(<span class="ident">data</span>[<span class="number">1</span>]).<span class="ident">unwrap</span>();
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<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">h</span>.<span class="ident">finish</span>().<span class="ident">unwrap</span>();
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">&</span><span class="kw-2">*</span><span class="ident">res</span>, <span class="ident">spec</span>);</pre></div>
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<p>Use an XOF hasher (OpenSSL 1.1.1+):</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">ossl111</span>)]</span>
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{
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<span class="kw">use</span> <span class="ident">openssl</span>::<span class="ident">hash</span>::{<span class="ident">hash_xof</span>, <span class="ident">MessageDigest</span>};
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<span class="kw">let</span> <span class="ident">data</span> <span class="op">=</span> <span class="string">b"\x41\x6c\x6c\x20\x79\x6f\x75\x72\x20\x62\x61\x73\x65\x20\x61\x72\x65\x20\x62\x65\x6c\x6f\x6e\x67\x20\x74\x6f\x20\x75\x73"</span>;
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<span class="kw">let</span> <span class="ident">spec</span> <span class="op">=</span> <span class="string">b"\x49\xd0\x69\x7f\xf5\x08\x11\x1d\x8b\x84\xf1\x5e\x46\xda\xf1\x35"</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">0</span>; <span class="number">16</span>];
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<span class="ident">hash_xof</span>(<span class="ident">MessageDigest</span>::<span class="ident">shake_128</span>(), <span class="ident">data</span>, <span class="ident">buf</span>.<span class="ident">as_mut_slice</span>()).<span class="ident">unwrap</span>();
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">buf</span>, <span class="ident">spec</span>);
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}</pre></div>
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<h1 id="warning" class="section-header"><a href="#warning">Warning</a></h1>
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<p>Don't actually use MD5 and SHA-1 hashes, they're not secure anymore.</p>
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<p>Don't ever hash passwords, use the functions in the <code>pkcs5</code> module or bcrypt/scrypt instead.</p>
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<p>For extendable output functions (XOFs, i.e. SHAKE128/SHAKE256), you must use finish_xof instead
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of finish and provide a buf to store the hash. The hash will be as long as the buf.</p>
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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="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/openssl/hash.rs.html#228-314" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.new" class="method"><code>pub fn <a href="#method.new" class="fnname">new</a>(ty: <a class="struct" href="../../openssl/hash/struct.MessageDigest.html" title="struct openssl::hash::MessageDigest">MessageDigest</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a>, <a class="struct" href="../../openssl/error/struct.ErrorStack.html" title="struct openssl::error::ErrorStack">ErrorStack</a>></code><a class="srclink" href="../../src/openssl/hash.rs.html#230-243" title="goto source code">[src]</a></h4><div class="docblock"><p>Creates a new <code>Hasher</code> with the specified hash type.</p>
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</div><h4 id="method.update" class="method"><code>pub fn <a href="#method.update" class="fnname">update</a>(&mut self, data: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="../../openssl/error/struct.ErrorStack.html" title="struct openssl::error::ErrorStack">ErrorStack</a>></code><a class="srclink" href="../../src/openssl/hash.rs.html#261-274" title="goto source code">[src]</a></h4><div class="docblock"><p>Feeds data into the hasher.</p>
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</div><h4 id="method.finish" class="method"><code>pub fn <a href="#method.finish" class="fnname">finish</a>(&mut self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../../openssl/hash/struct.DigestBytes.html" title="struct openssl::hash::DigestBytes">DigestBytes</a>, <a class="struct" href="../../openssl/error/struct.ErrorStack.html" title="struct openssl::error::ErrorStack">ErrorStack</a>></code><a class="srclink" href="../../src/openssl/hash.rs.html#277-295" title="goto source code">[src]</a></h4><div class="docblock"><p>Returns the hash of the data written and resets the non-XOF hasher.</p>
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</div><h4 id="method.finish_xof" class="method"><code>pub fn <a href="#method.finish_xof" class="fnname">finish_xof</a>(&mut self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&mut [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="../../openssl/error/struct.ErrorStack.html" title="struct openssl::error::ErrorStack">ErrorStack</a>></code><a class="srclink" href="../../src/openssl/hash.rs.html#300-313" title="goto source code">[src]</a></h4><div class="docblock"><p>Writes the hash of the data into the supplied buf and resets the XOF hasher.
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The hash will be as long as the buf.</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="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl-Clone" class="anchor"></a><a class="srclink" href="../../src/openssl/hash.rs.html#328-344" 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="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></h3><code class="content"><span class="where fmt-newline">impl <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="struct" href="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></span></code></span></div></span></span></code><a class="srclink" href="../../src/openssl/hash.rs.html#329-343" 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#128-130" 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-Drop" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl-Drop" class="anchor"></a><a class="srclink" href="../../src/openssl/hash.rs.html#346-355" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.drop" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&mut self)</code><a class="srclink" href="../../src/openssl/hash.rs.html#347-354" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
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</div></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="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../../src/openssl/hash.rs.html#226" title="goto source code">[src]</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="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../../src/openssl/hash.rs.html#225" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Write" class="impl"><code class="in-band">impl <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="struct" href="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl-Write" class="anchor"></a><a class="srclink" href="../../src/openssl/hash.rs.html#316-326" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.write" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#tymethod.write" class="fnname">write</a>(&mut self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>></code><a class="srclink" href="../../src/openssl/hash.rs.html#318-321" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Write a buffer into this writer, returning how many bytes were written. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#tymethod.write">Read more</a></p>
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</div><h4 id="method.flush" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#tymethod.flush" class="fnname">flush</a>(&mut self) -> <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>></code><a class="srclink" href="../../src/openssl/hash.rs.html#323-325" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Flush this output stream, ensuring that all intermediately buffered
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contents reach their destination. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#tymethod.flush">Read more</a></p>
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</div><h4 id="method.write_vectored" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_vectored" class="fnname">write_vectored</a>(&mut self, bufs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="struct" href="https://doc.rust-lang.org/nightly/std/io/struct.IoSlice.html" title="struct std::io::IoSlice">IoSlice</a><'_><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>></code><span class="since" title="Stable since Rust version 1.36.0">1.36.0</span><a class="srclink" href="https://doc.rust-lang.org/nightly/src/std/io/mod.rs.html#1304-1306" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Like <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#tymethod.write"><code>write</code></a>, except that it writes from a slice of buffers. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_vectored">Read more</a></p>
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</div><h4 id="method.is_write_vectored" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.is_write_vectored" class="fnname">is_write_vectored</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/std/io/mod.rs.html#1319-1321" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>can_vector</code>)</div></div><div class='docblock hidden'><p>Determines if this <code>Write</code>r has an efficient <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_vectored"><code>write_vectored</code></a>
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implementation. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.is_write_vectored">Read more</a></p>
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</div><h4 id="method.write_all" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_all" class="fnname">write_all</a>(&mut self, buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::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/io/mod.rs.html#1381-1393" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempts to write an entire buffer into this writer. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_all">Read more</a></p>
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</div><h4 id="method.write_all_vectored" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_all_vectored" class="fnname">write_all_vectored</a>(<br> &mut self, <br> bufs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&mut [</a><a class="struct" href="https://doc.rust-lang.org/nightly/std/io/struct.IoSlice.html" title="struct std::io::IoSlice">IoSlice</a><'_><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/std/io/mod.rs.html#1443-1458" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>write_all_vectored</code>)</div></div><div class='docblock hidden'><p>Attempts to write multiple buffers into this writer. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_all_vectored">Read more</a></p>
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</div><h4 id="method.write_fmt" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_fmt" class="fnname">write_fmt</a>(&mut self, fmt: <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Arguments.html" title="struct core::fmt::Arguments">Arguments</a><'_>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::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/io/mod.rs.html#1496-1528" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Writes a formatted string into this writer, returning any error
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||
encountered. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.write_fmt">Read more</a></p>
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</div><h4 id="method.by_ref" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.by_ref" class="fnname">by_ref</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </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/std/io/mod.rs.html#1552-1557" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Creates a "by reference" adaptor for this instance of <code>Write</code>. <a href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html#method.by_ref">Read more</a></p>
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||
</div></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="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../src/openssl/lib.rs.html#1" title="goto source code">[src]</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="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../src/openssl/lib.rs.html#1" title="goto source code">[src]</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="../../openssl/hash/struct.Hasher.html" title="struct openssl::hash::Hasher">Hasher</a></code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../src/openssl/lib.rs.html#1" title="goto source code">[src]</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#108-112" 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#109-111" 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>
|
||
</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#210-214" 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#211-213" 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#217-221" 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#218-220" 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>
|
||
</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#552-556" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" 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#553-555" 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#541-548" 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#545-547" 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#80-92" 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#85-87" 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#89-91" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><details><summary><span class="emoji">🔬</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-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#589-598" 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#595-597" 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#575-584" 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#581-583" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
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