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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 visitor that produces output once it has visited a set of fields." > < title > VisitOutput in tracing_subscriber::field - Rust< / title > < script > if ( window . location . protocol !== "file:" ) document . write ( ` <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"> ` ) < / script > < link rel = "stylesheet" href = "../../static.files/normalize-76eba96aa4d2e634.css" > < link rel = "stylesheet" href = "../../static.files/rustdoc-e935ef01ae1c1829.css" > < meta name = "rustdoc-vars" data-root-path = "../../" data-static-root-path = "../../static.files/" data-current-crate = "tracing_subscriber" data-themes = "" data-resource-suffix = "" data-rustdoc-version = "1.78.0 (9b00956e5 2024-04-29)" data-channel = "1.78.0" data-search-js = "search-42d8da7a6b9792c2.js" data-settings-js = "settings-4313503d2e1961c2.js" > < script src = "../../static.files/storage-4c98445ec4002617.js" > < / script > < script defer src = "sidebar-items.js" > < / script > < script defer src = "../../static.files/main-12cf3b4f4f9dc36d.js" > < / script > < noscript > < link rel = "stylesheet" href = "../../static.files/noscript-04d5337699b92874.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" title = "show sidebar" > < / button > < a class = "logo-container" href = "../../tracing_subscriber/index.html" > < img src = "https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt = "" > < / a > < / nav > < nav class = "sidebar" > < div class = "sidebar-crate" > < a class = "logo-container" href = "../../tracing_subscriber/index.html" > < img src = "https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt = "logo" > < / a > < h2 > < a href = "../../tracing_subscriber/index.html" > tracing_subscriber< / a > < span class = "version" > 0.3.18< / span > < / h2 > < / div > < h2 class = "location" > < a href = "#" > VisitOutput< / a > < / h2 > < div class = "sidebar-elems" > < section > < h3 > < a href = "#required-methods" > Required Methods< / a > < / h3 > < ul class = "block" > < li > < a href = "#tymethod.finish" > finish< / a > < / li > < / ul > < h3 > < a href = "#provided-methods" > Provided Methods< / a > < / h3 > < ul class = "block" > < li > < a href = "#method.visit" > visit< / a > < / li > < / ul > < h3 > < a href = "#implementors" > Implementors< / a > < / h3 > < / section > < h2 > < a href = "index.html" > In tracing_subscriber::field< / a > < / h2 > < / div > < / nav > < div class = "sidebar-resizer" > < / div >
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< main > < div class = "width-limiter" > < nav class = "sub" > < form class = "search-form" > < span > < / span > < div id = "sidebar-button" tabindex = "-1" > < a href = "../../tracing_subscriber/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 ‘ ’ ‘ ’ 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" > tracing_subscriber< / a > ::< wbr > < a href = "index.html" > field< / a > ::< wbr > < a class = "trait" href = "#" > VisitOutput< / 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/tracing_subscriber/field/mod.rs.html#37-53" > source< / a > · < button id = "toggle-all-docs" title = "collapse all docs" > [< span > − < / span > ]< / button > < / span > < / div > < pre class = "rust item-decl" > < code > pub trait VisitOutput< Out> : < a class = "trait" href = "trait.Visit.html" title = "trait tracing_subscriber::field::Visit" > Visit< / a > {
// Required method
fn < a href = "#tymethod.finish" class = "fn" > finish< / a > (self) -> Out;
// Provided method
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fn < a href = "#method.visit" class = "fn" > visit< / a > < R> (self, fields: < a class = "primitive" href = "https://doc.rust-lang.org/1.78.0/std/primitive.reference.html" > & R< / a > ) -> Out
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< span class = "where" > where R: < a class = "trait" href = "trait.RecordFields.html" title = "trait tracing_subscriber::field::RecordFields" > RecordFields< / a > ,
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Self: < a class = "trait" href = "https://doc.rust-lang.org/1.78.0/core/marker/trait.Sized.html" title = "trait core::marker::Sized" > Sized< / a > < / span > { ... }
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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 < a href = "trait.Visit.html" title = "trait tracing_subscriber::field::Visit" > visitor< / a > that produces output once it has visited a set of fields.< / p >
< / div > < / details > < 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.finish" class = "method" > < a class = "src rightside" href = "../../src/tracing_subscriber/field/mod.rs.html#41" > source< / a > < h4 class = "code-header" > fn < a href = "#tymethod.finish" class = "fn" > finish< / a > (self) -> Out< / h4 > < / section > < / summary > < div class = "docblock" > < p > Completes the visitor, returning any output.< / p >
< p > This is called once a full set of fields has been visited.< / p >
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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.visit" class = "method" > < a class = "src rightside" href = "../../src/tracing_subscriber/field/mod.rs.html#45-52" > source< / a > < h4 class = "code-header" > fn < a href = "#method.visit" class = "fn" > visit< / a > < R> (self, fields: < a class = "primitive" href = "https://doc.rust-lang.org/1.78.0/std/primitive.reference.html" > & R< / a > ) -> Out< div class = "where" > where
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R: < a class = "trait" href = "trait.RecordFields.html" title = "trait tracing_subscriber::field::RecordFields" > RecordFields< / a > ,
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Self: < a class = "trait" href = "https://doc.rust-lang.org/1.78.0/core/marker/trait.Sized.html" title = "trait core::marker::Sized" > Sized< / a > ,< / div > < / h4 > < / section > < / summary > < div class = "docblock" > < p > Visit a set of fields, and return the output of finishing the visitor
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once the fields have been visited.< / p >
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< / div > < / details > < / div > < h2 id = "implementors" class = "section-header" > Implementors< a href = "#implementors" class = "anchor" > §< / a > < / h2 > < div id = "implementors-list" > < section id = "impl-VisitOutput%3CResult%3C(),+Error%3E%3E-for-DefaultVisitor%3C'a%3E" class = "impl" > < a class = "src rightside" href = "../../src/tracing_subscriber/fmt/format/mod.rs.html#1301-1305" > source< / a > < a href = "#impl-VisitOutput%3CResult%3C(),+Error%3E%3E-for-DefaultVisitor%3C'a%3E" class = "anchor" > §< / a > < h3 class = "code-header" > impl< 'a> < a class = "trait" href = "trait.VisitOutput.html" title = "trait tracing_subscriber::field::VisitOutput" > VisitOutput< / a > < < a class = "enum" href = "https://doc.rust-lang.org/1.78.0/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < < a class = "primitive" href = "https://doc.rust-lang.org/1.78.0/std/primitive.unit.html" > ()< / a > , < a class = "struct" href = "https://doc.rust-lang.org/1.78.0/core/fmt/struct.Error.html" title = "struct core::fmt::Error" > Error< / a > > > for < a class = "struct" href = "../fmt/format/struct.DefaultVisitor.html" title = "struct tracing_subscriber::fmt::format::DefaultVisitor" > DefaultVisitor< / a > < 'a> < / h3 > < / section > < section id = "impl-VisitOutput%3CResult%3C(),+Error%3E%3E-for-PrettyVisitor%3C'a%3E" class = "impl" > < a class = "src rightside" href = "../../src/tracing_subscriber/fmt/format/pretty.rs.html#500-505" > source< / a > < a href = "#impl-VisitOutput%3CResult%3C(),+Error%3E%3E-for-PrettyVisitor%3C'a%3E" class = "anchor" > §< / a > < h3 class = "code-header" > impl< 'a> < a class = "trait" href = "trait.VisitOutput.html" title = "trait tracing_subscriber::field::VisitOutput" > VisitOutput< / a > < < a class = "enum" href = "https://doc.rust-lang.org/1.78.0/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < < a class = "primitive" href = "https://doc.rust-lang.org/1.78.0/std/primitive.unit.html" > ()< / a > , < a class = "struct" href = "https://doc.rust-lang.org/1.78.0/core/fmt/struct.Error.html" title = "struct core::fmt::Error" > Error< / a > > > for < a class = "struct" href = "../fmt/format/struct.PrettyVisitor.html" title = "struct tracing_subscriber::fmt::format::PrettyVisitor" > PrettyVisitor< / a > < 'a> < / h3 > < / section > < section id = "impl-VisitOutput%3CResult%3C(),+Error%3E%3E-for-FieldFnVisitor%3C'a,+F%3E" class = "impl" > < a class = "src rightside" href = "../../src/tracing_subscriber/fmt/format/mod.rs.html#1551-1558" > source< / a > < a href = "#impl-VisitOutput%3CResult%3C(),+Error%3E%3E-for-FieldFnVisitor%3C'a,+F%3E" class = "anchor" > §< / a > < h3 class = "code-header" > impl< 'a, F> < a class = "trait" href = "trait.VisitOutput.html" title = "trait tracing_subscriber::field::VisitOutput" > VisitOutput< / a > < < a class = "enum" href = "https://doc.rust-lang.org/1.78.0/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < < a class = "primitive" href = "https://doc.rust-lang.org/1.78.0/std/primitive.unit.html" > ()< / a > , < a class = "struct" href = "https://doc.rust-lang.org/1.78.0/core/fmt/struct.Error.html" title = "struct core::fmt::Error" > Error< / a > > > for < a class = "struct" href = "../fmt/format/struct.FieldFnVisitor.html" title = "struct tracing_subscriber::fmt::format::FieldFnVisitor" > FieldFnVisitor< / a > < 'a, F> < div class = "where" > where
F: < a class = "trait" href = "https://doc.rust-lang.org/1.78.0/core/ops/function/trait.Fn.html" title = "trait core::ops::function::Fn" > Fn< / a > (& mut < a class = "struct" href = "../fmt/format/struct.Writer.html" title = "struct tracing_subscriber::fmt::format::Writer" > Writer< / a > < 'a> , & < a class = "struct" href = "../../tracing_core/field/struct.Field.html" title = "struct tracing_core::field::Field" > Field< / a > , & dyn < a class = "trait" href = "https://doc.rust-lang.org/1.78.0/core/fmt/trait.Debug.html" title = "trait core::fmt::Debug" > Debug< / a > ) -> < a class = "type" href = "https://doc.rust-lang.org/1.78.0/core/fmt/type.Result.html" title = "type core::fmt::Result" > Result< / a > ,< / div > < / h3 > < / section > < section id = "impl-VisitOutput%3CResult%3C(),+Error%3E%3E-for-VisitDelimited%3CD,+V%3E" class = "impl" > < a class = "src rightside" href = "../../src/tracing_subscriber/field/delimited.rs.html#114-123" > source< / a > < a href = "#impl-VisitOutput%3CResult%3C(),+Error%3E%3E-for-VisitDelimited%3CD,+V%3E" class = "anchor" > §< / a > < h3 class = "code-header" > impl< D, V> < a class = "trait" href = "trait.VisitOutput.html" title = "trait tracing_subscriber::field::VisitOutput" > VisitOutput< / a > < < a class = "enum" href = "https://doc.rust-lang.org/1.78.0/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < < a class = "primitive" href = "https://doc.rust-lang.org/1.78.0/std/primitive.unit.html" > ()< / a > , < a class = "struct" href = "https://doc.rust-lang.org/1.78.0/core/fmt/struct.Error.html" title = "struct core::fmt::Error" > Error< / a > > > for < a class = "struct" href = "delimited/struct.VisitDelimited.html" title = "struct tracing_subscriber::field::delimited::VisitDelimited" > VisitDelimited< / a > < D, V> < div class = "where" > where
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V: < a class = "trait" href = "trait.VisitFmt.html" title = "trait tracing_subscriber::field::VisitFmt" > VisitFmt< / a > ,
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D: < a class = "trait" href = "https://doc.rust-lang.org/1.78.0/core/convert/trait.AsRef.html" title = "trait core::convert::AsRef" > AsRef< / a > < < a class = "primitive" href = "https://doc.rust-lang.org/1.78.0/std/primitive.str.html" > str< / a > > ,< / div > < / h3 > < / section > < section id = "impl-VisitOutput%3CO%3E-for-Alt%3CV%3E" class = "impl" > < a class = "src rightside" href = "../../src/tracing_subscriber/field/debug.rs.html#77-85" > source< / a > < a href = "#impl-VisitOutput%3CO%3E-for-Alt%3CV%3E" class = "anchor" > §< / a > < h3 class = "code-header" > impl< V, O> < a class = "trait" href = "trait.VisitOutput.html" title = "trait tracing_subscriber::field::VisitOutput" > VisitOutput< / a > < O> for < a class = "struct" href = "debug/struct.Alt.html" title = "struct tracing_subscriber::field::debug::Alt" > Alt< / a > < V> < div class = "where" > where
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V: < a class = "trait" href = "trait.VisitOutput.html" title = "trait tracing_subscriber::field::VisitOutput" > VisitOutput< / a > < O> ,< / div > < / h3 > < / section > < section id = "impl-VisitOutput%3CO%3E-for-Messages%3CV%3E" class = "impl" > < a class = "src rightside" href = "../../src/tracing_subscriber/field/display.rs.html#83-91" > source< / a > < a href = "#impl-VisitOutput%3CO%3E-for-Messages%3CV%3E" class = "anchor" > §< / a > < h3 class = "code-header" > impl< V, O> < a class = "trait" href = "trait.VisitOutput.html" title = "trait tracing_subscriber::field::VisitOutput" > VisitOutput< / a > < O> for < a class = "struct" href = "display/struct.Messages.html" title = "struct tracing_subscriber::field::display::Messages" > Messages< / a > < V> < div class = "where" > where
V: < a class = "trait" href = "trait.VisitOutput.html" title = "trait tracing_subscriber::field::VisitOutput" > VisitOutput< / a > < O> ,< / div > < / h3 > < / section > < / div > < script src = "../../trait.impl/tracing_subscriber/field/trait.VisitOutput.js" async > < / script > < / section > < / div > < / main > < / body > < / html >
