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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="Marks the input as being the complete buffer or a partial buffer for streaming input"><title>StreamIsPartial in winnow::stream - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="winnow" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.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]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../winnow/index.html">winnow</a><span class="version">0.6.5</span></h2></div><h2 class="location"><a href="#">StreamIsPartial</a></h2><div class="sidebar-elems"><section><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.PartialState">PartialState</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.complete">complete</a></li><li><a href="#tymethod.is_partial_supported">is_partial_supported</a></li><li><a href="#tymethod.restore_partial">restore_partial</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.is_partial">is_partial</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-StreamIsPartial-for-%26%5BT%5D">&amp;&#x27;a [T]</a></li><li><a href="#impl-StreamIsPartial-for-%26str">&amp;&#x27;a str</a></li><li><a href="#impl-StreamIsPartial-for-(I,+usize)">(I, usize)</a></li></ul><h3><a href="#object-safety">Object Safety</a></h3><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In winnow::stream</a></h2></div></nav><div class="sidebar-resizer"></div>
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../winnow/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Trait <a href="../index.html">winnow</a>::<wbr><a href="index.html">stream</a>::<wbr><a class="trait" href="#">StreamIsPartial</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/winnow/stream/mod.rs.html#1526-1545">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub trait StreamIsPartial: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a>;
// Required methods
fn <a href="#tymethod.complete" class="fn">complete</a>(&amp;mut self) -&gt; Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a>;
<span class="item-spacer"></span> fn <a href="#tymethod.restore_partial" class="fn">restore_partial</a>(&amp;mut self, state: Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a>);
<span class="item-spacer"></span> fn <a href="#tymethod.is_partial_supported" class="fn">is_partial_supported</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a>;
// Provided method
fn <a href="#method.is_partial" class="fn">is_partial</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a> { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Marks the input as being the complete buffer or a partial buffer for streaming input</p>
<p>See <a href="struct.Partial.html" title="struct winnow::stream::Partial"><code>Partial</code></a> for marking a presumed complete buffer type as a streaming buffer.</p>
</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"><details class="toggle" open><summary><section id="associatedtype.PartialState" class="method"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1528">source</a><h4 class="code-header">type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a></h4></section></summary><div class="docblock"><p>Whether the stream is currently partial or complete</p>
</div></details></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.complete" class="method"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1532">source</a><h4 class="code-header">fn <a href="#tymethod.complete" class="fn">complete</a>(&amp;mut self) -&gt; Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a></h4></section></summary><div class="docblock"><p>Mark the stream is complete</p>
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.restore_partial" class="method"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1535">source</a><h4 class="code-header">fn <a href="#tymethod.restore_partial" class="fn">restore_partial</a>(&amp;mut self, state: Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a>)</h4></section></summary><div class="docblock"><p>Restore the stream back to its previous state</p>
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.is_partial_supported" class="method"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1538">source</a><h4 class="code-header">fn <a href="#tymethod.is_partial_supported" class="fn">is_partial_supported</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Report whether the <a href="trait.Stream.html" title="trait winnow::stream::Stream"><code>Stream</code></a> is can ever be incomplete</p>
</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.is_partial" class="method"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1542-1544">source</a><h4 class="code-header">fn <a href="#method.is_partial" class="fn">is_partial</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Report whether the <a href="trait.Stream.html" title="trait winnow::stream::Stream"><code>Stream</code></a> is currently incomplete</p>
</div></details></div><h2 id="object-safety" class="section-header">Object Safety<a href="#object-safety" class="anchor">§</a></h2><div class="object-safety-info">This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.76.0/reference/items/traits.html#object-safety">object safe</a>.</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-StreamIsPartial-for-%26str" class="impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1560-1573">source</a><a href="#impl-StreamIsPartial-for-%26str" class="anchor">§</a><h3 class="code-header">impl&lt;'a&gt; <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a> for &amp;'a <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.str.html">str</a></h3></section></summary><div class="impl-items"><section id="associatedtype.PartialState-1" class="associatedtype trait-impl"><a href="#associatedtype.PartialState-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a> = <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a></h4></section><section id="method.complete" class="method trait-impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1563-1565">source</a><a href="#method.complete" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.complete" class="fn">complete</a>(&amp;mut self) -&gt; Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a></h4></section><section id="method.restore_partial" class="method trait-impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1567">source</a><a href="#method.restore_partial" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.restore_partial" class="fn">restore_partial</a>(&amp;mut self, _state: Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a>)</h4></section><section id="method.is_partial_supported" class="method trait-impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1570-1572">source</a><a href="#method.is_partial_supported" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_partial_supported" class="fn">is_partial_supported</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-StreamIsPartial-for-%26%5BT%5D" class="impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1547-1558">source</a><a href="#impl-StreamIsPartial-for-%26%5BT%5D" class="anchor">§</a><h3 class="code-header">impl&lt;'a, T&gt; <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a> for &amp;'a <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.slice.html">[T]</a></h3></section></summary><div class="impl-items"><section id="associatedtype.PartialState-2" class="associatedtype trait-impl"><a href="#associatedtype.PartialState-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a> = <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a></h4></section><section id="method.complete-1" class="method trait-impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1550">source</a><a href="#method.complete-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.complete" class="fn">complete</a>(&amp;mut self) -&gt; Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedty
I: <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.PartialState-3" class="associatedtype trait-impl"><a href="#associatedtype.PartialState-3" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a> = &lt;I as <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a>&gt;::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a></h4></section><section id="method.complete-2" class="method trait-impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1611-1613">source</a><a href="#method.complete-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.complete" class="fn">complete</a>(&amp;mut self) -&gt; Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a></h4></section><section id="method.restore_partial-2" class="method trait-impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1615-1617">source</a><a href="#method.restore_partial-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.restore_partial" class="fn">restore_partial</a>(&amp;mut self, state: Self::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a>)</h4></section><section id="method.is_partial_supported-2" class="method trait-impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1620-1622">source</a><a href="#method.is_partial_supported-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_partial_supported" class="fn">is_partial_supported</a>() -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section><section id="method.is_partial-1" class="method trait-impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1625-1627">source</a><a href="#method.is_partial-1" class="anchor">§</a><h4 class="code-header">fn <a href="#method.is_partial" class="fn">is_partial</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</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-StreamIsPartial-for-%26BStr" class="impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1590-1603">source</a><a href="#impl-StreamIsPartial-for-%26BStr" class="anchor">§</a><h3 class="code-header">impl&lt;'a&gt; <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a> for &amp;'a <a class="struct" href="struct.BStr.html" title="struct winnow::stream::BStr">BStr</a></h3></section></summary><div class="impl-items"><section id="associatedtype.PartialState-4" class="associatedtype trait-impl"><a href="#associatedtype.PartialState-4" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a> = <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-StreamIsPartial-for-%26Bytes" class="impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1575-1588">source</a><a href="#impl-StreamIsPartial-for-%26Bytes" class="anchor">§</a><h3 class="code-header">impl&lt;'a&gt; <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a> fo
I: <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.PartialState-6" class="associatedtype trait-impl"><a href="#associatedtype.PartialState-6" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a> = &lt;I as <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a>&gt;::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-StreamIsPartial-for-Partial%3CI%3E" class="impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1707-1730">source</a><a href="#impl-StreamIsPartial-for-Partial%3CI%3E" class="anchor">§</a><h3 class="code-header">impl&lt;I&gt; <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a> for <a class="struct" href="struct.Partial.html" title="struct winnow::stream::Partial">Partial</a>&lt;I&gt;<div class="where">where
I: <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.PartialState-7" class="associatedtype trait-impl"><a href="#associatedtype.PartialState-7" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a> = <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-StreamIsPartial-for-Stateful%3CI,+S%3E" class="impl"><a class="src rightside" href="../../src/winnow/stream/mod.rs.html#1682-1705">source</a><a href="#impl-StreamIsPartial-for-Stateful%3CI,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;I, S&gt; <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a> for <a class="struct" href="struct.Stateful.html" title="struct winnow::stream::Stateful">Stateful</a>&lt;I, S&gt;<div class="where">where
I: <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.PartialState-8" class="associatedtype trait-impl"><a href="#associatedtype.PartialState-8" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.PartialState" class="associatedtype">PartialState</a> = &lt;I as <a class="trait" href="trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a>&gt;::<a class="associatedtype" href="trait.StreamIsPartial.html#associatedtype.PartialState" title="type winnow::stream::StreamIsPartial::PartialState">PartialState</a></h4></section></div></details></div><script src="../../trait.impl/winnow/stream/trait.StreamIsPartial.js" data-ignore-extern-crates="std" async></script></section></div></main></body></html>