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54 lines
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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="This struct contains the fixed-length header fields of a `CodePointTrie`."><title>CodePointTrieHeader in icu_collections::codepointtrie - 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="icu_collections" 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 struct"><!--[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="#">CodePointTrieHeader</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../icu_collections/index.html">icu_<wbr>collections</a><span class="version">2.1.1</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Code<wbr>Point<wbr>Trie<wbr>Header</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#safety-invariant" title="Safety Invariant">Safety Invariant</a></li></ul><h3><a href="#fields">Fields</a></h3><ul class="block structfield"><li><a href="#structfield.data_null_offset" title="data_null_offset">data_null_offset</a></li><li><a href="#structfield.high_start" title="high_start">high_start</a></li><li><a href="#structfield.index3_null_offset" title="index3_null_offset">index3_null_offset</a></li><li><a href="#structfield.null_value" title="null_value">null_value</a></li><li><a href="#structfield.shifted12_high_start" title="shifted12_high_start">shifted12_high_start</a></li><li><a href="#structfield.trie_type" title="trie_type">trie_type</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-CodePointTrieHeader" title="Clone">Clone</a></li><li><a href="#impl-Copy-for-CodePointTrieHeader" title="Copy">Copy</a></li><li><a href="#impl-Debug-for-CodePointTrieHeader" title="Debug">Debug</a></li><li><a href="#impl-Eq-for-CodePointTrieHeader" title="Eq">Eq</a></li><li><a href="#impl-PartialEq-for-CodePointTrieHeader" title="PartialEq">PartialEq</a></li><li><a href="#impl-StructuralPartialEq-for-CodePointTrieHeader" title="StructuralPartialEq">StructuralPartialEq</a></li><li><a href="#impl-Yokeable%3C'a%3E-for-CodePointTrieHeader" title="Yokeable<'a>">Yokeable<'a></a></li><li><a href="#impl-ZeroFrom%3C'zf,+CodePointTrieHeader%3E-for-CodePointTrieHeader" title="ZeroFrom<'zf, CodePointTrieHeader>">ZeroFrom<'zf, CodePointTrieHeader></a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-CodePointTrieHeader" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-CodePointTrieHeader" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send-for-CodePointTrieHeader" title="Send">Send</a></li><li><a href="#impl-Sync-for-CodePointTrieHeader" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-CodePointTrieHeader" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-CodePointTrieHeader" title="UnwindSafe">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow<T>">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut<T>">BorrowMut<T></a></li><li><a href="#impl-CloneToUninit-for-T" title="CloneToUninit">CloneToUninit</a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-ToOwned-for-T" title="ToOwned">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom<U>">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto<U>">TryInto<U></a></li></ul></section><div id="rustdoc-modnav"><h2><a href="index.html">In icu_<wbr>collections::<wbr>codepointtrie</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">icu_collections</a>::<wbr><a href="index.html">codepointtrie</a></div><h1>Struct <span class="struct">Code<wbr>Point<wbr>Trie<wbr>Header</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/icu_collections/codepointtrie/cptrie.rs.html#175-210">Source</a> </span></div><pre class="rust item-decl"><code>pub struct CodePointTrieHeader {
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pub high_start: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u32.html">u32</a>,
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pub shifted12_high_start: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u16.html">u16</a>,
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pub index3_null_offset: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u16.html">u16</a>,
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pub data_null_offset: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u32.html">u32</a>,
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pub null_value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u32.html">u32</a>,
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pub trie_type: <a class="enum" href="enum.TrieType.html" title="enum icu_collections::codepointtrie::TrieType">TrieType</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>This struct contains the fixed-length header fields of a <a href="struct.CodePointTrie.html" title="struct icu_collections::codepointtrie::CodePointTrie"><code>CodePointTrie</code></a>.</p>
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<h2 id="safety-invariant"><a class="doc-anchor" href="#safety-invariant">§</a>Safety Invariant</h2>
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<p>The <code>trie_type</code> field must not change after construction.</p>
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<p>(In practice, all the fields here remain unchanged during the lifetime
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of the trie.)</p>
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</div></details><h2 id="fields" class="fields section-header">Fields<a href="#fields" class="anchor">§</a></h2><span id="structfield.high_start" class="structfield section-header"><a href="#structfield.high_start" class="anchor field">§</a><code>high_start: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u32.html">u32</a></code></span><div class="docblock"><p>The code point of the start of the last range of the trie. A
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range is defined as a partition of the code point space such that the
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value in this trie associated with all code points of the same range is
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the same.</p>
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<p>For the property value data for many Unicode properties,
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often times, <code>high_start</code> is <code>U+10000</code> or lower. In such cases, not
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reserving space in the <code>index</code> array for duplicate values is a large
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savings. The “highValue” associated with the <code>high_start</code> range is
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stored at the second-to-last position of the <code>data</code> array.
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(See <code>impl_const::HIGH_VALUE_NEG_DATA_OFFSET</code>.)</p>
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</div><span id="structfield.shifted12_high_start" class="structfield section-header"><a href="#structfield.shifted12_high_start" class="anchor field">§</a><code>shifted12_high_start: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u16.html">u16</a></code></span><div class="docblock"><p>A version of the <code>high_start</code> value that is right-shifted 12 spaces,
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but is rounded up to a multiple <code>0x1000</code> for easy testing from UTF-8
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lead bytes.</p>
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</div><span id="structfield.index3_null_offset" class="structfield section-header"><a href="#structfield.index3_null_offset" class="anchor field">§</a><code>index3_null_offset: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u16.html">u16</a></code></span><div class="docblock"><p>Offset for the null block in the “index-3” table of the <code>index</code> array.
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Set to an impossibly high value (e.g., <code>0xffff</code>) if there is no
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dedicated index-3 null block.</p>
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</div><span id="structfield.data_null_offset" class="structfield section-header"><a href="#structfield.data_null_offset" class="anchor field">§</a><code>data_null_offset: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u32.html">u32</a></code></span><div class="docblock"><p>Internal data null block offset, not shifted.
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Set to an impossibly high value (e.g., <code>0xfffff</code>) if there is no
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dedicated data null block.</p>
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</div><span id="structfield.null_value" class="structfield section-header"><a href="#structfield.null_value" class="anchor field">§</a><code>null_value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u32.html">u32</a></code></span><div class="docblock"><p>The value stored in the trie that represents a null value being
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associated to a code point.</p>
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</div><span id="structfield.trie_type" class="structfield section-header"><a href="#structfield.trie_type" class="anchor field">§</a><code>trie_type: <a class="enum" href="enum.TrieType.html" title="enum icu_collections::codepointtrie::TrieType">TrieType</a></code></span><div class="docblock"><p>The enum value representing the type of trie, where trie type is as it
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is defined in ICU (ex: Fast, Small).</p>
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<h3 id="safety-invariant-1"><a class="doc-anchor" href="#safety-invariant-1">§</a>Safety Invariant</h3>
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<p>Must not change after construction.</p>
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</div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-CodePointTrieHeader" class="impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#impl-Clone-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&self) -> <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h4></section></summary><div class='docblock'>Returns a duplicate of the value. <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/clone.rs.html#245-247">Source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-CodePointTrieHeader" class="impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#impl-Debug-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.93.1/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialEq-for-CodePointTrieHeader" class="impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#impl-PartialEq-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialEq.html#tymethod.eq" class="fn">eq</a>(&self, other: &<a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/cmp.rs.html#264">Source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialEq.html#method.ne" class="fn">ne</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&Rhs</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Tests for <code>!=</code>. The default implementation is almost always sufficient,
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and should not be overridden without very good reason.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Yokeable%3C'a%3E-for-CodePointTrieHeader" class="impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#impl-Yokeable%3C'a%3E-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl<'a> <a class="trait" href="../../yoke/yokeable/trait.Yokeable.html" title="trait yoke::yokeable::Yokeable">Yokeable</a><'a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a><div class="where">where
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Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output" class="associatedtype trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#associatedtype.Output" class="anchor">§</a><h4 class="code-header">type <a href="../../yoke/yokeable/trait.Yokeable.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h4></section></summary><div class='docblock'>This type MUST be <code>Self</code> with the <code>'static</code> replaced with <code>'a</code>, i.e. <code>Self<'a></code></div></details><details class="toggle method-toggle" open><summary><section id="method.transform" class="method trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#method.transform" class="anchor">§</a><h4 class="code-header">fn <a href="../../yoke/yokeable/trait.Yokeable.html#tymethod.transform" class="fn">transform</a>(&self) -> &Self::<a class="associatedtype" href="../../yoke/yokeable/trait.Yokeable.html#associatedtype.Output" title="type yoke::yokeable::Yokeable::Output">Output</a></h4></section></summary><div class='docblock'>This method must cast <code>self</code> between <code>&'a Self<'static></code> and <code>&'a Self<'a></code>. <a href="../../yoke/yokeable/trait.Yokeable.html#tymethod.transform">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.transform_owned" class="method trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#method.transform_owned" class="anchor">§</a><h4 class="code-header">fn <a href="../../yoke/yokeable/trait.Yokeable.html#tymethod.transform_owned" class="fn">transform_owned</a>(self) -> Self::<a class="associatedtype" href="../../yoke/yokeable/trait.Yokeable.html#associatedtype.Output" title="type yoke::yokeable::Yokeable::Output">Output</a></h4></section></summary><div class='docblock'>This method must cast <code>self</code> between <code>Self<'static></code> and <code>Self<'a></code>. <a href="../../yoke/yokeable/trait.Yokeable.html#tymethod.transform_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.make" class="method trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#method.make" class="anchor">§</a><h4 class="code-header">unsafe fn <a href="../../yoke/yokeable/trait.Yokeable.html#tymethod.make" class="fn">make</a>(this: Self::<a class="associatedtype" href="../../yoke/yokeable/trait.Yokeable.html#associatedtype.Output" title="type yoke::yokeable::Yokeable::Output">Output</a>) -> Self</h4></section></summary><div class='docblock'>This method can be used to cast away <code>Self<'a></code>’s lifetime. <a href="../../yoke/yokeable/trait.Yokeable.html#tymethod.make">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.transform_mut" class="method trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#method.transform_mut" class="anchor">§</a><h4 class="code-header">fn <a href="../../yoke/yokeable/trait.Yokeable.html#tymethod.transform_mut" class="fn">transform_mut</a><F>(&'a mut self, f: F)<div class="where">where
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F: 'static + for<'b> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&'b mut Self::<a class="associatedtype" href="../../yoke/yokeable/trait.Yokeable.html#associatedtype.Output" title="type yoke::yokeable::Yokeable::Output">Output</a>),</div></h4></section></summary><div class='docblock'>This method must cast <code>self</code> between <code>&'a mut Self<'static></code> and <code>&'a mut Self<'a></code>,
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and pass it to <code>f</code>. <a href="../../yoke/yokeable/trait.Yokeable.html#tymethod.transform_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-ZeroFrom%3C'zf,+CodePointTrieHeader%3E-for-CodePointTrieHeader" class="impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#impl-ZeroFrom%3C'zf,+CodePointTrieHeader%3E-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl<'zf> <a class="trait" href="../../zerofrom/zero_from/trait.ZeroFrom.html" title="trait zerofrom::zero_from::ZeroFrom">ZeroFrom</a><'zf, <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a>> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.zero_from" class="method trait-impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#method.zero_from" class="anchor">§</a><h4 class="code-header">fn <a href="../../zerofrom/zero_from/trait.ZeroFrom.html#tymethod.zero_from" class="fn">zero_from</a>(this: &'zf Self) -> Self</h4></section></summary><div class='docblock'>Clone the other <code>C</code> into a struct that may retain references into <code>C</code>.</div></details></div></details><section id="impl-Copy-for-CodePointTrieHeader" class="impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#impl-Copy-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section><section id="impl-Eq-for-CodePointTrieHeader" class="impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#impl-Eq-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section><section id="impl-StructuralPartialEq-for-CodePointTrieHeader" class="impl"><a class="src rightside" href="../../src/icu_collections/codepointtrie/cptrie.rs.html#174">Source</a><a href="#impl-StructuralPartialEq-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-CodePointTrieHeader" class="impl"><a href="#impl-Freeze-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section><section id="impl-RefUnwindSafe-for-CodePointTrieHeader" class="impl"><a href="#impl-RefUnwindSafe-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section><section id="impl-Send-for-CodePointTrieHeader" class="impl"><a href="#impl-Send-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section><section id="impl-Sync-for-CodePointTrieHeader" class="impl"><a href="#impl-Sync-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section><section id="impl-Unpin-for-CodePointTrieHeader" class="impl"><a href="#impl-Unpin-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section><section id="impl-UnwindSafe-for-CodePointTrieHeader" class="impl"><a href="#impl-UnwindSafe-for-CodePointTrieHeader" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.CodePointTrieHeader.html" title="struct icu_collections::codepointtrie::CodePointTrieHeader">CodePointTrieHeader</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/any.rs.html#138">Source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
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T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.93.1/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/borrow.rs.html#212">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/borrow.rs.html#214">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/borrow.rs.html#221">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/borrow.rs.html#222">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-CloneToUninit-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/clone.rs.html#547">Source</a><a href="#impl-CloneToUninit-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html" title="trait core::clone::CloneToUninit">CloneToUninit</a> for T<div class="where">where
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T: <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"><details class="toggle method-toggle" open><summary><section id="method.clone_to_uninit" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/clone.rs.html#549">Source</a><a href="#method.clone_to_uninit" class="anchor">§</a><h4 class="code-header">unsafe fn <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit" class="fn">clone_to_uninit</a>(&self, dest: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>clone_to_uninit</code>)</span></div></span><div class='docblock'>Performs copy-assignment from <code>self</code> to <code>dest</code>. <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#785">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#788">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#767-769">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#777">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
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<p>That is, this conversion is whatever the implementation of
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<code><a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#85-87">Source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
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T: <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"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#89">Source</a><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#90">Source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/alloc/borrow.rs.html#94">Source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.93.1/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#827-829">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#831">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#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></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#834">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <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, <T as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#811-813">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#815">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#818">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html> |