| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `SpanTransformer` trait in crate `proc_macro_api`."><title>SpanTransformer in proc_macro_api::legacy_protocol::msg - 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="proc_macro_api" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11)" 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="#">SpanTransformer</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../proc_macro_api/index.html">proc_<wbr>macro_<wbr>api</a><span class="version">0.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Span<wbr>Transformer</a></h2><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Span" title="Span">Span</a></li><li><a href="#associatedtype.Table" title="Table">Table</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.span_for_token_id" title="span_for_token_id">span_for_token_id</a></li><li><a href="#tymethod.token_id_of" title="token_id_of">token_id_of</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-SpanTransformer-for-Span" title="Span">Span</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><a href="index.html">In proc_<wbr>macro_<wbr>api::<wbr>legacy_<wbr>protocol::<wbr>msg</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">proc_macro_api</a>::<wbr><a href="../index.html">legacy_protocol</a>::<wbr><a href="index.html">msg</a></div><h1>Trait <span class="trait">Span<wbr>Transformer</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/proc_macro_api/legacy_protocol/msg/flat.rs.html#447-452">Source</a> </span></div><pre class="rust item-decl"><code>pub trait SpanTransformer { |
| type <a href="#associatedtype.Table" class="associatedtype">Table</a>; |
| type <a href="#associatedtype.Span" class="associatedtype">Span</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a>; |
| |
| // Required methods |
| fn <a href="#tymethod.token_id_of" class="fn">token_id_of</a>(table: &mut Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Table" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Table">Table</a>, s: Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Span" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Span">Span</a>) -> <a class="struct" href="../struct.SpanId.html" title="struct proc_macro_api::legacy_protocol::SpanId">SpanId</a>; |
| <span class="item-spacer"></span> fn <a href="#tymethod.span_for_token_id" class="fn">span_for_token_id</a>(table: &Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Table" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Table">Table</a>, id: <a class="struct" href="../struct.SpanId.html" title="struct proc_macro_api::legacy_protocol::SpanId">SpanId</a>) -> Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Span" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Span">Span</a>; |
| }</code></pre><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.Table" class="method"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#448">Source</a><h4 class="code-header">type <a href="#associatedtype.Table" class="associatedtype">Table</a></h4></section><section id="associatedtype.Span" class="method"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#449">Source</a><h4 class="code-header">type <a href="#associatedtype.Span" class="associatedtype">Span</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a></h4></section></div><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><section id="tymethod.token_id_of" class="method"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#450">Source</a><h4 class="code-header">fn <a href="#tymethod.token_id_of" class="fn">token_id_of</a>(table: &mut Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Table" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Table">Table</a>, s: Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Span" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Span">Span</a>) -> <a class="struct" href="../struct.SpanId.html" title="struct proc_macro_api::legacy_protocol::SpanId">SpanId</a></h4></section><section id="tymethod.span_for_token_id" class="method"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#451">Source</a><h4 class="code-header">fn <a href="#tymethod.span_for_token_id" class="fn">span_for_token_id</a>(table: &Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Table" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Table">Table</a>, id: <a class="struct" href="../struct.SpanId.html" title="struct proc_macro_api::legacy_protocol::SpanId">SpanId</a>) -> Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Span" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Span">Span</a></h4></section></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-SpanTransformer-for-Span" class="impl"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#464-473">Source</a><a href="#impl-SpanTransformer-for-Span" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.SpanTransformer.html" title="trait proc_macro_api::legacy_protocol::msg::SpanTransformer">SpanTransformer</a> for Span</h3></section></summary><div class="impl-items"><section id="associatedtype.Table-1" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#465">Source</a><a href="#associatedtype.Table-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Table" class="associatedtype">Table</a> = IndexSet<Span, <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/hash/struct.BuildHasherDefault.html" title="struct core::hash::BuildHasherDefault">BuildHasherDefault</a><FxHasher>></h4></section><section id="associatedtype.Span-1" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#466">Source</a><a href="#associatedtype.Span-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Span" class="associatedtype">Span</a> = Span</h4></section><section id="method.token_id_of" class="method trait-impl"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#467-469">Source</a><a href="#method.token_id_of" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.token_id_of" class="fn">token_id_of</a>(table: &mut Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Table" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Table">Table</a>, span: Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Span" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Span">Span</a>) -> <a class="struct" href="../struct.SpanId.html" title="struct proc_macro_api::legacy_protocol::SpanId">SpanId</a></h4></section><section id="method.span_for_token_id" class="method trait-impl"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#470-472">Source</a><a href="#method.span_for_token_id" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.span_for_token_id" class="fn">span_for_token_id</a>(table: &Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Table" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Table">Table</a>, id: <a class="struct" href="../struct.SpanId.html" title="struct proc_macro_api::legacy_protocol::SpanId">SpanId</a>) -> Self::<a class="associatedtype" href="trait.SpanTransformer.html#associatedtype.Span" title="type proc_macro_api::legacy_protocol::msg::SpanTransformer::Span">Span</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-SpanTransformer-for-SpanId" class="impl"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#453-463">Source</a><a href="#impl-SpanTransformer-for-SpanId" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.SpanTransformer.html" title="trait proc_macro_api::legacy_protocol::msg::SpanTransformer">SpanTransformer</a> for <a class="struct" href="../struct.SpanId.html" title="struct proc_macro_api::legacy_protocol::SpanId">SpanId</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Table-2" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#454">Source</a><a href="#associatedtype.Table-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Table" class="associatedtype">Table</a> = <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a></h4></section><section id="associatedtype.Span-2" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/proc_macro_api/legacy_protocol/msg/flat.rs.html#455">Source</a><a href="#associatedtype.Span-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Span" class="associatedtype">Span</a> = <a class="struct" href="../struct.SpanId.html" title="struct proc_macro_api::legacy_protocol::SpanId">SpanId</a></h4></section></div></details></div><script src="../../../trait.impl/proc_macro_api/legacy_protocol/msg/flat/trait.SpanTransformer.js" data-ignore-extern-crates="span" async></script></section></div></main></body></html> |
