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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 writeable object that can fail while writing."><title>TryWriteable in writeable - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="writeable" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">TryWriteable</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../writeable/index.html">writeable</a><span class="version">0.6.2</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">TryWriteable</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#implementer-notes" title="Implementer Notes">Implementer Notes</a></li><li><a href="#examples" title="Examples">Examples</a></li></ul><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Error" title="Error">Error</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.try_write_to_parts" title="try_write_to_parts">try_write_to_parts</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.try_write_to" title="try_write_to">try_write_to</a></li><li><a href="#method.writeable_length_hint" title="writeable_length_hint">writeable_length_hint</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-TryWriteable-for-Result%3CT,+E%3E" title="Result<T, E>">Result<T, E></a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate writeable</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="index.html">writeable</a></div><h1>Trait <span class="trait">TryWriteable</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../src/writeable/try_writeable.rs.html#95-210">Source</a> </span></div><pre class="rust item-decl"><code>pub trait TryWriteable {
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type <a href="#associatedtype.Error" class="associatedtype">Error</a>;
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// Required method
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fn <a href="#tymethod.try_write_to_parts" class="fn">try_write_to_parts</a><S: <a class="trait" href="trait.PartsWrite.html" title="trait writeable::PartsWrite">PartsWrite</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(
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&self,
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sink: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut S</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="trait.TryWriteable.html#associatedtype.Error" title="type writeable::TryWriteable::Error">Error</a>>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>>;
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// Provided methods
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fn <a href="#method.try_write_to" class="fn">try_write_to</a><W: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Write.html" title="trait core::fmt::Write">Write</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(
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&self,
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sink: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut W</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="trait.TryWriteable.html#associatedtype.Error" title="type writeable::TryWriteable::Error">Error</a>>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>> { ... }
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<span class="item-spacer"></span> fn <a href="#method.writeable_length_hint" class="fn">writeable_length_hint</a>(&self) -> <a class="struct" href="struct.LengthHint.html" title="struct writeable::LengthHint">LengthHint</a> { ... }
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A writeable object that can fail while writing.</p>
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<p>The default <a href="trait.Writeable.html" title="trait writeable::Writeable"><code>Writeable</code></a> trait returns a <a href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error"><code>fmt::Error</code></a>, which originates from the sink.
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In contrast, this trait allows the <em>writeable itself</em> to trigger an error as well.</p>
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<p>Implementations are expected to always make a <em>best attempt</em> at writing to the sink
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and should write replacement values in the error state. Therefore, the returned <code>Result</code>
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can be safely ignored to emulate a “lossy” mode.</p>
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<p>Any error substrings should be annotated with <a href="struct.Part.html#associatedconstant.ERROR" title="associated constant writeable::Part::ERROR"><code>Part::ERROR</code></a>.</p>
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<h2 id="implementer-notes"><a class="doc-anchor" href="#implementer-notes">§</a>Implementer Notes</h2>
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<p>This trait requires that implementers make a <em>best attempt</em> at writing to the sink,
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<em>even in the error state</em>, such as with a placeholder or fallback string.</p>
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<p>In <a href="trait.TryWriteable.html#tymethod.try_write_to_parts" title="method writeable::TryWriteable::try_write_to_parts"><code>TryWriteable::try_write_to_parts()</code></a>, error substrings should be annotated with
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<a href="struct.Part.html#associatedconstant.ERROR" title="associated constant writeable::Part::ERROR"><code>Part::ERROR</code></a>. Because of this, writing to parts is not default-implemented like
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it is on <a href="trait.Writeable.html" title="trait writeable::Writeable"><code>Writeable</code></a>.</p>
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<p>The trait is implemented on <a href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result"><code>Result<T, E></code></a> where <code>T</code> and <code>E</code> both implement <a href="trait.Writeable.html" title="trait writeable::Writeable"><code>Writeable</code></a>;
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In the <code>Ok</code> case, <code>T</code> is written, and in the <code>Err</code> case, <code>E</code> is written as a fallback value.
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This impl, which writes <a href="struct.Part.html#associatedconstant.ERROR" title="associated constant writeable::Part::ERROR"><code>Part::ERROR</code></a>, can be used as a basis for more advanced impls.</p>
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<h2 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h2>
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<p>Implementing on a custom type:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>core::fmt;
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<span class="kw">use </span>writeable::LengthHint;
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<span class="kw">use </span>writeable::PartsWrite;
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<span class="kw">use </span>writeable::TryWriteable;
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<span class="attr">#[derive(Debug, PartialEq, Eq)]
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</span><span class="kw">enum </span>HelloWorldWriteableError {
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MissingName,
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}
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<span class="attr">#[derive(Debug, PartialEq, Eq)]
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</span><span class="kw">struct </span>HelloWorldWriteable {
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<span class="kw">pub </span>name: <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'static </span>str>,
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}
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<span class="kw">impl </span>TryWriteable <span class="kw">for </span>HelloWorldWriteable {
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<span class="kw">type </span>Error = HelloWorldWriteableError;
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<span class="kw">fn </span>try_write_to_parts<S: PartsWrite + <span class="question-mark">?</span>Sized>(
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<span class="kw-2">&</span><span class="self">self</span>,
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sink: <span class="kw-2">&mut </span>S,
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) -> <span class="prelude-ty">Result</span><<span class="prelude-ty">Result</span><(), <span class="self">Self</span>::Error>, fmt::Error> {
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sink.write_str(<span class="string">"Hello, "</span>)<span class="question-mark">?</span>;
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<span class="comment">// Use `impl TryWriteable for Result` to generate the error part:
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</span><span class="kw">let </span>err = <span class="self">self</span>.name.ok_or(<span class="string">"nobody"</span>).try_write_to_parts(sink)<span class="question-mark">?</span>.err();
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sink.write_char(<span class="string">'!'</span>)<span class="question-mark">?</span>;
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<span class="comment">// Return a doubly-wrapped Result.
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// The outer Result is for fmt::Error, handled by the `?`s above.
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// The inner Result is for our own Self::Error.
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</span><span class="kw">if </span>err.is_none() {
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<span class="prelude-val">Ok</span>(<span class="prelude-val">Ok</span>(()))
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} <span class="kw">else </span>{
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<span class="prelude-val">Ok</span>(<span class="prelude-val">Err</span>(HelloWorldWriteableError::MissingName))
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}
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}
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<span class="kw">fn </span>writeable_length_hint(<span class="kw-2">&</span><span class="self">self</span>) -> LengthHint {
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<span class="self">self</span>.name.ok_or(<span class="string">"nobody"</span>).writeable_length_hint() + <span class="number">8
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</span>}
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}
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<span class="comment">// Success case:
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</span><span class="macro">writeable::assert_try_writeable_eq!</span>(
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HelloWorldWriteable {
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name: <span class="prelude-val">Some</span>(<span class="string">"Alice"</span>)
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},
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<span class="string">"Hello, Alice!"
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</span>);
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<span class="comment">// Failure case, including the ERROR part:
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</span><span class="macro">writeable::assert_try_writeable_parts_eq!</span>(
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HelloWorldWriteable { name: <span class="prelude-val">None </span>},
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<span class="string">"Hello, nobody!"</span>,
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<span class="prelude-val">Err</span>(HelloWorldWriteableError::MissingName),
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[(<span class="number">7</span>, <span class="number">13</span>, writeable::Part::ERROR)]
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);</code></pre></div></div></details><h2 id="required-associated-types" class="section-header">Required Associated Types<a href="#required-associated-types" class="anchor">§</a></h2><div class="methods"><section id="associatedtype.Error" class="method"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#96">Source</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a></h4></section></div><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.try_write_to_parts" class="method"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#164-167">Source</a><h4 class="code-header">fn <a href="#tymethod.try_write_to_parts" class="fn">try_write_to_parts</a><S: <a class="trait" href="trait.PartsWrite.html" title="trait writeable::PartsWrite">PartsWrite</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(
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&self,
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sink: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut S</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="trait.TryWriteable.html#associatedtype.Error" title="type writeable::TryWriteable::Error">Error</a>>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>></h4></section></summary><div class="docblock"><p>Writes the content of this writeable to a sink with parts (annotations).</p>
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<p>For more information, see:</p>
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<ul>
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<li><a href="trait.TryWriteable.html#method.try_write_to" title="method writeable::TryWriteable::try_write_to"><code>TryWriteable::try_write_to()</code></a> for the general behavior.</li>
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<li><a href="trait.TryWriteable.html" title="trait writeable::TryWriteable"><code>TryWriteable</code></a> for an example with parts.</li>
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<li><a href="struct.Part.html" title="struct writeable::Part"><code>Part</code></a> for more about parts.</li>
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</ul>
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</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.try_write_to" class="method"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#150-155">Source</a><h4 class="code-header">fn <a href="#method.try_write_to" class="fn">try_write_to</a><W: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Write.html" title="trait core::fmt::Write">Write</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(
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&self,
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sink: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut W</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="trait.TryWriteable.html#associatedtype.Error" title="type writeable::TryWriteable::Error">Error</a>>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>></h4></section></summary><div class="docblock"><p>Writes the content of this writeable to a sink.</p>
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<p>If the sink hits an error, writing immediately ends,
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<code>Err(</code><a href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error"><code>fmt::Error</code></a><code>)</code> is returned, and the sink does not contain valid output.</p>
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<p>If the writeable hits an error, writing is continued with a replacement value,
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<code>Ok(Err(</code><a href="trait.TryWriteable.html#associatedtype.Error" title="associated type writeable::TryWriteable::Error"><code>TryWriteable::Error</code></a><code>))</code> is returned, and the caller may continue using the sink.</p>
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<h5 id="lossy-mode"><a class="doc-anchor" href="#lossy-mode">§</a>Lossy Mode</h5>
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<p>The <a href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error"><code>fmt::Error</code></a> should always be handled, but the <a href="trait.TryWriteable.html#associatedtype.Error" title="associated type writeable::TryWriteable::Error"><code>TryWriteable::Error</code></a> can be
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ignored if a fallback string is desired instead of an error.</p>
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<p>To handle the sink error, but not the writeable error, write:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let _ </span>= my_writeable.try_write_to(<span class="kw-2">&mut </span>sink)<span class="question-mark">?</span>;</code></pre></div><h5 id="examples-1"><a class="doc-anchor" href="#examples-1">§</a>Examples</h5>
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<p>The following examples use <code>Result<&str, usize></code>, which implements <a href="trait.TryWriteable.html" title="trait writeable::TryWriteable"><code>TryWriteable</code></a> because both <code>&str</code> and <code>usize</code> do.</p>
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<p>Success case:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>writeable::TryWriteable;
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<span class="kw">let </span>w: <span class="prelude-ty">Result</span><<span class="kw-2">&</span>str, usize> = <span class="prelude-val">Ok</span>(<span class="string">"success"</span>);
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<span class="kw">let </span><span class="kw-2">mut </span>sink = String::new();
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<span class="kw">let </span>result = w.try_write_to(<span class="kw-2">&mut </span>sink);
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<span class="macro">assert_eq!</span>(result, <span class="prelude-val">Ok</span>(<span class="prelude-val">Ok</span>(())));
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<span class="macro">assert_eq!</span>(sink, <span class="string">"success"</span>);</code></pre></div>
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<p>Failure case:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>writeable::TryWriteable;
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<span class="kw">let </span>w: <span class="prelude-ty">Result</span><<span class="kw-2">&</span>str, usize> = <span class="prelude-val">Err</span>(<span class="number">44</span>);
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<span class="kw">let </span><span class="kw-2">mut </span>sink = String::new();
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<span class="kw">let </span>result = w.try_write_to(<span class="kw-2">&mut </span>sink);
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<span class="macro">assert_eq!</span>(result, <span class="prelude-val">Ok</span>(<span class="prelude-val">Err</span>(<span class="number">44</span>)));
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<span class="macro">assert_eq!</span>(sink, <span class="string">"44"</span>);</code></pre></div></div></details><details class="toggle method-toggle" open><summary><section id="method.writeable_length_hint" class="method"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#173-175">Source</a><h4 class="code-header">fn <a href="#method.writeable_length_hint" class="fn">writeable_length_hint</a>(&self) -> <a class="struct" href="struct.LengthHint.html" title="struct writeable::LengthHint">LengthHint</a></h4></section></summary><div class="docblock"><p>Returns a hint for the number of UTF-8 bytes that will be written to the sink.</p>
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<p>This function returns the length of the “lossy mode” string; for more information,
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see <a href="trait.TryWriteable.html#method.try_write_to" title="method writeable::TryWriteable::try_write_to"><code>TryWriteable::try_write_to()</code></a>.</p>
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</div></details></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.93.1/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-TryWriteable-for-Result%3CT,+E%3E" class="impl"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#212-259">Source</a><a href="#impl-TryWriteable-for-Result%3CT,+E%3E" class="anchor">§</a><h3 class="code-header">impl<T, E> <a class="trait" href="trait.TryWriteable.html" title="trait writeable::TryWriteable">TryWriteable</a> for <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E><div class="where">where
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T: <a class="trait" href="trait.Writeable.html" title="trait writeable::Writeable">Writeable</a>,
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E: <a class="trait" href="trait.Writeable.html" title="trait writeable::Writeable">Writeable</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#217">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = E</h4></section><section id="method.try_write_to-1" class="method trait-impl"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#220-228">Source</a><a href="#method.try_write_to-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.try_write_to" class="fn">try_write_to</a><W: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Write.html" title="trait core::fmt::Write">Write</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(
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&self,
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sink: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut W</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="trait.TryWriteable.html#associatedtype.Error" title="type writeable::TryWriteable::Error">Error</a>>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>></h4></section><section id="method.try_write_to_parts" class="method trait-impl"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#231-241">Source</a><a href="#method.try_write_to_parts" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.try_write_to_parts" class="fn">try_write_to_parts</a><S: <a class="trait" href="trait.PartsWrite.html" title="trait writeable::PartsWrite">PartsWrite</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(
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&self,
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sink: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut S</a>,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="trait.TryWriteable.html#associatedtype.Error" title="type writeable::TryWriteable::Error">Error</a>>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>></h4></section><section id="method.writeable_length_hint-1" class="method trait-impl"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#244-249">Source</a><a href="#method.writeable_length_hint-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.writeable_length_hint" class="fn">writeable_length_hint</a>(&self) -> <a class="struct" href="struct.LengthHint.html" title="struct writeable::LengthHint">LengthHint</a></h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><details class="toggle implementors-toggle"><summary><section id="impl-TryWriteable-for-WriteableAsTryWriteableInfallible%3CT%3E" class="impl"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#322-354">Source</a><a href="#impl-TryWriteable-for-WriteableAsTryWriteableInfallible%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="trait.TryWriteable.html" title="trait writeable::TryWriteable">TryWriteable</a> for <a class="struct" href="adapters/struct.WriteableAsTryWriteableInfallible.html" title="struct writeable::adapters::WriteableAsTryWriteableInfallible">WriteableAsTryWriteableInfallible</a><T><div class="where">where
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T: <a class="trait" href="trait.Writeable.html" title="trait writeable::Writeable">Writeable</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Error-2" class="associatedtype trait-impl"><a class="src rightside" href="../src/writeable/try_writeable.rs.html#326">Source</a><a href="#associatedtype.Error-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></div></details></div><script src="../trait.impl/writeable/try_writeable/trait.TryWriteable.js" data-ignore-extern-crates="core" async></script></section></div></main></body></html> |