<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="Helper type for implementing a `Serializer` that does not support serializing one of the compound types."><title>Impossible in serde::ser - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><linkrel="stylesheet"href="../../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../../static.files/rustdoc-5bc39a1768837dd0.css"><metaname="rustdoc-vars"data-root-path="../../"data-static-root-path="../../static.files/"data-current-crate="serde"data-themes=""data-resource-suffix=""data-rustdoc-version="1.77.0 (aedd173a2 2024-03-17)"data-channel="1.77.0"data-search-js="search-dd67cee4cfa65049.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../../static.files/storage-4c98445ec4002617.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../static.files/main-48f368f3872407c8.js"></script><noscript><linkrel="stylesheet"href="../../static.files/noscript-04d5337699b92874.css"></noscript><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle"title="show sidebar"></button></nav><navclass="sidebar"><divclass="sidebar-crate"><h2><ahref="../../serde/index.html">serde</a><spanclass="version">1.0.197</span></h2></div><h2class="location"><ahref="#">Impossible</a></h2><divclass="sidebar-elems"><section><h3><ahref="#trait-implementations">Trait Implementations</a></h3><ulclass="block trait-implementation"><li><ahref="#impl-SerializeMap-for-Impossible%3COk,+Error%3E">SerializeMap</a></li><li><ahref="#impl-SerializeSeq-for-Impossible%3COk,+Error%3E">SerializeSeq</a></li><li><ahref="#impl-SerializeStruct-for-Impossible%3COk,+Error%3E">SerializeStruct</a></li><li><ahref="#impl-SerializeStructVariant-for-Impossible%3COk,+Error%3E">SerializeStructVariant</a></li><li><ahref="#impl-SerializeTuple-for-Impossible%3COk,+Error%3E">SerializeTuple</a></li><li><ahref="#impl-SerializeTupleStruct-for-Impossible%3COk,+Error%3E">SerializeTupleStruct</a></li><li><ahref="#impl-SerializeTupleVariant-for-Impossible%3COk,+Error%3E">SerializeTupleVariant</a></li></ul><h3><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ulclass="block synthetic-implementation"><li><ahref="#impl-RefUnwindSafe-for-Impossible%3COk,+Error%3E">RefUnwindSafe</a></li><li><ahref="#impl-Send-for-Impossible%3COk,+Error%3E">Send</a></li><li><ahref="#impl-Sync-for-Impossible%3COk,+Error%3E">Sync</a></li><li><ahref="#impl-Unpin-for-Impossible%3COk,+Error%3E">Unpin</a></li><li><ahref="#impl-UnwindSafe-for-Impossible%3COk,+Error%3E">UnwindSafe</a></li></ul><h3><ahref="#blanket-implementations">Blanket Implementations</a></h3><ulclass="block blanket-implementation"><li><ahref="#impl-Any-for-T">Any</a></li><li><ahref="#impl-Borrow%3CT%3E-for-T">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT
<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../../serde/all.html"title="show sidebar"></a></div><inputclass="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"><divid="help-button"tabindex="-1"><ahref="../../help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Struct <ahref="../index.html">serde</a>::<wbr><ahref="index.html">ser</a>::<wbr><aclass="struct"href="#">Impossible</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../../static.files/clipboard-7571035ce49a181d.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="src"href="../../src/serde/ser/impossible.rs.html#60-64">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub struct Impossible<Ok, Error> { <spanclass="comment">/* private fields */</span> }</code></pre><detailsclass="toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>Helper type for implementing a <code>Serializer</code> that does not support
serializing one of the compound types.</p>
<p>This type cannot be instantiated, but implements every one of the traits
corresponding to the <ahref="trait.Serializer.html"><code>Serializer</code></a> compound types: <ahref="trait.SerializeSeq.html"><code>SerializeSeq</code></a>,
<ahref="trait.SerializeMap.html"><code>SerializeMap</code></a>, <ahref="trait.SerializeStruct.html"><code>SerializeStruct</code></a>, and <ahref="trait.SerializeStructVariant.html"><code>SerializeStructVariant</code></a>.</p>
<divclass="example-wrap edition"><ahref="#"class="tooltip"title="This example runs with edition 2021">ⓘ</a><preclass="rust rust-example-rendered"><code><spanclass="kw">impl </span>Serializer <spanclass="kw">for </span>MySerializer {
Error: <aclass="trait"href="trait.Error.html"title="trait serde::ser::Error">Error</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Ok-5"class="associatedtype trait-impl"><ahref="#associatedtype.Ok-5"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeMap.html#associatedtype.Ok"class="associatedtype">Ok</a> = Ok</h4></section></summary><divclass='docblock'>Must match the <code>Ok</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-5"class="associatedtype trait-impl"><ahref="#associatedtype.Error-5"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeMap.html#associatedtype.Error"class="associatedtype">Error</a> = Error</h4></section></summary><divclass='docblock'>Must match the <code>Error</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.serialize_key"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#155-161">source</a><ahref="#method.serialize_key"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeMap.html#tymethod.serialize_key"class="fn">serialize_key</a><T>(&mut self, key: <aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.reference.html">&T</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.unit.html">()</a>, Error><divclass="where">where
V: <aclass="trait"href="../trait.Serialize.html"title="trait serde::Serialize">Serialize</a> + ?<aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Serialize a map entry consisting of a key and a value. <ahref="trait.SerializeMap.html#method.serialize_entry">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-SerializeSeq-for-Impossible%3COk,+Error%3E"class="impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#68-86">source</a><ahref="#impl-SerializeSeq-for-Impossible%3COk,+Error%3E"class="anchor">§</a><h3class="code-header">impl<Ok, Error><aclass="trait"href="trait.SerializeSeq.html"title="trait serde::ser::SerializeSeq">SerializeSeq</a> for <aclass="struct"href="struct.Impossible.html"title="struct serde::ser::Impossible">Impossible</a><Ok, Error><divclass="where">where
Error: <aclass="trait"href="trait.Error.html"title="trait serde::ser::Error">Error</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Ok-1"class="associatedtype trait-impl"><ahref="#associatedtype.Ok-1"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeSeq.html#associatedtype.Ok"class="associatedtype">Ok</a> = Ok</h4></section></summary><divclass='docblock'>Must match the <code>Ok</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-1"class="associatedtype trait-impl"><ahref="#associatedtype.Error-1"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeSeq.html#associatedtype.Error"class="associatedtype">Error</a> = Error</h4></section></summary><divclass='docblock'>Must match the <code>Error</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.serialize_element"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#75-81">source</a><ahref="#method.serialize_element"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeSeq.html#tymethod.serialize_element"class="fn">serialize_element</a><T>(&mut self, value: <aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.reference.html">&T</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.unit.html">()</a>, Error><divclass="where">where
T: <aclass="trait"href="../trait.Serialize.html"title="trait serde::Serialize">Serialize</a> + ?<aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Serialize a sequence element.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.end-1"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#83-85">source</a><ahref="#method.end-1"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeSeq.html#tymethod.end"class="fn">end</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><Ok, Error></h4></section></summary><divclass='docblock'>Finish serializing a sequence.</div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-SerializeStruct-for-Impossible%3COk,+Error%3E"class="impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#176-195">source</a><ahref="#impl-SerializeStruct-for-Impossible%3COk,+Error%3E"class="anchor">§</a><h3class="code-header">impl<Ok, Error><aclass="trait"href="trait.SerializeStruct.html"title="trait serde::ser::SerializeStruct">SerializeStruct</a> for <aclass="struct"href="struct.Impossible.html"title="struct serde::ser::Impossible">Impossible</a><Ok, Error><divclass="where">where
Error: <aclass="trait"href="trait.Error.html"title="trait serde::ser::Error">Error</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Ok"class="associatedtype trait-impl"><ahref="#associatedtype.Ok"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeStruct.html#associatedtype.Ok"class="associatedtype">Ok</a> = Ok</h4></section></summary><divclass='docblock'>Must match the <code>Ok</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle"open><summary><sectionid="associatedtype.Error"class="associatedtype trait-impl"><ahref="#associatedtype.Error"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeStruct.html#associatedtype.Error"class="associatedtype">Error</a> = Error</h4></section></summary><divclass='docblock'>Must match the <code>Error</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.serialize_field"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#183-190">source</a><ahref="#method.serialize_field"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeStruct.html#tymethod.serialize_field"class="fn">serialize_field</a><T>(
T: <aclass="trait"href="../trait.Serialize.html"title="trait serde::Serialize">Serialize</a> + ?<aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Serialize a struct field.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.end"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#192-194">source</a><ahref="#method.end"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeStruct.html#tymethod.end"class="fn">end</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><Ok, Error></h4></section></summary><divclass='docblock'>Finish serializing a struct.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.skip_field"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/mod.rs.html#1869-1872">source</a><ahref="#method.skip_field"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeStruct.html#method.skip_field"class="fn">skip_field</a>(&mut self, key: &'static <aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.str.html">str</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.unit.html">()</a>, Self::<aclass="associatedtype"href="trait.SerializeStruct.html#associatedtype.Error"title="type serde::ser::SerializeStruct::Error">Error</a>></h4></section></summary><divclass='docblock'>Indicate that a struct field has been skipped.</div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-SerializeStructVariant-for-Impossible%3COk,+Error%3E"class="impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#197-216">source</a><ahref="#impl-SerializeStructVariant-for-Impossible%3COk,+Error%3E"class="anchor">§</a><h3class="code-header">impl<Ok, Error><aclass="trait"href="trait.SerializeStructVariant.html"title="trait serde::ser::SerializeStructVariant">SerializeStructVariant</a> for <aclass="struct"href="struct.Impossible.html"title="struct serde::ser::Impossible">Impossible</a><Ok, Error><divclass="where">where
Error: <aclass="trait"href="trait.Error.html"title="trait serde::ser::Error">Error</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Ok-2"class="associatedtype trait-impl"><ahref="#associatedtype.Ok-2"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeStructVariant.html#associatedtype.Ok"class="associatedtype">Ok</a> = Ok</h4></section></summary><divclass='docblock'>Must match the <code>Ok</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-2"class="associatedtype trait-impl"><ahref="#associatedtype.Error-2"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeStructVariant.html#associatedtype.Error"class="associatedtype">Error</a> = Error</h4></section></summary><divclass='docblock'>Must match the <code>Error</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.serialize_field-1"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#204-211">source</a><ahref="#method.serialize_field-1"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeStructVariant.html#tymethod.serialize_field"class="fn">serialize_field</a><T>(
T: <aclass="trait"href="../trait.Serialize.html"title="trait serde::Serialize">Serialize</a> + ?<aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Serialize a struct variant field.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.end-2"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#213-215">source</a><ahref="#method.end-2"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeStructVariant.html#tymethod.end"class="fn">end</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><Ok, Error></h4></section></summary><divclass='docblock'>Finish serializing a struct variant.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.skip_field-1"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/mod.rs.html#1935-1938">source</a><ahref="#method.skip_field-1"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeStructVariant.html#method.skip_field"class="fn">skip_field</a>(&mut self, key: &'static <aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.str.html">str</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.unit.html">()</a>, Self::<aclass="associatedtype"href="trait.SerializeStructVariant.html#associatedtype.Error"title="type serde::ser::SerializeStructVariant::Error">Error</a>></h4></section></summary><divclass='docblock'>Indicate that a struct variant field has been skipped.</div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-SerializeTuple-for-Impossible%3COk,+Error%3E"class="impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#88-106">source</a><ahref="#impl-SerializeTuple-for-Impossible%3COk,+Error%3E"class="anchor">§</a><h3class="code-header">impl<Ok, Error><aclass="trait"href="trait.SerializeTuple.html"title="trait serde::ser::SerializeTuple">SerializeTuple</a> for <aclass="struct"href="struct.Impossible.html"title="struct serde::ser::Impossible">Impossible</a><Ok, Error><divclass="where">where
Error: <aclass="trait"href="trait.Error.html"title="trait serde::ser::Error">Error</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Ok-4"class="associatedtype trait-impl"><ahref="#associatedtype.Ok-4"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeTuple.html#associatedtype.Ok"class="associatedtype">Ok</a> = Ok</h4></section></summary><divclass='docblock'>Must match the <code>Ok</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-4"class="associatedtype trait-impl"><ahref="#associatedtype.Error-4"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeTuple.html#associatedtype.Error"class="associatedtype">Error</a> = Error</h4></section></summary><divclass='docblock'>Must match the <code>Error</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.serialize_element-1"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#95-101">source</a><ahref="#method.serialize_element-1"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeTuple.html#tymethod.serialize_element"class="fn">serialize_element</a><T>(&mut self, value: <aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.reference.html">&T</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.unit.html">()</a>, Error><divclass="where">where
T: <aclass="trait"href="../trait.Serialize.html"title="trait serde::Serialize">Serialize</a> + ?<aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Serialize a tuple element.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.end-4"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#103-105">source</a><ahref="#method.end-4"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeTuple.html#tymethod.end"class="fn">end</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><Ok, Error></h4></section></summary><divclass='docblock'>Finish serializing a tuple.</div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-SerializeTupleStruct-for-Impossible%3COk,+Error%3E"class="impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#108-126">source</a><ahref="#impl-SerializeTupleStruct-for-Impossible%3COk,+Error%3E"class="anchor">§</a><h3class="code-header">impl<Ok, Error><aclass="trait"href="trait.SerializeTupleStruct.html"title="trait serde::ser::SerializeTupleStruct">SerializeTupleStruct</a> for <aclass="struct"href="struct.Impossible.html"title="struct serde::ser::Impossible">Impossible</a><Ok, Error><divclass="where">where
Error: <aclass="trait"href="trait.Error.html"title="trait serde::ser::Error">Error</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Ok-3"class="associatedtype trait-impl"><ahref="#associatedtype.Ok-3"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeTupleStruct.html#associatedtype.Ok"class="associatedtype">Ok</a> = Ok</h4></section></summary><divclass='docblock'>Must match the <code>Ok</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-3"class="associatedtype trait-impl"><ahref="#associatedtype.Error-3"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeTupleStruct.html#associatedtype.Error"class="associatedtype">Error</a> = Error</h4></section></summary><divclass='docblock'>Must match the <code>Error</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.serialize_field-2"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#115-121">source</a><ahref="#method.serialize_field-2"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeTupleStruct.html#tymethod.serialize_field"class="fn">serialize_field</a><T>(&mut self, value: <aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.reference.html">&T</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.unit.html">()</a>, Error><divclass="where">where
T: <aclass="trait"href="../trait.Serialize.html"title="trait serde::Serialize">Serialize</a> + ?<aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Serialize a tuple struct field.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.end-3"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#123-125">source</a><ahref="#method.end-3"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeTupleStruct.html#tymethod.end"class="fn">end</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><Ok, Error></h4></section></summary><divclass='docblock'>Finish serializing a tuple struct.</div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-SerializeTupleVariant-for-Impossible%3COk,+Error%3E"class="impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#128-146">source</a><ahref="#impl-SerializeTupleVariant-for-Impossible%3COk,+Error%3E"class="anchor">§</a><h3class="code-header">impl<Ok, Error><aclass="trait"href="trait.SerializeTupleVariant.html"title="trait serde::ser::SerializeTupleVariant">SerializeTupleVariant</a> for <aclass="struct"href="struct.Impossible.html"title="struct serde::ser::Impossible">Impossible</a><Ok, Error><divclass="where">where
Error: <aclass="trait"href="trait.Error.html"title="trait serde::ser::Error">Error</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Ok-6"class="associatedtype trait-impl"><ahref="#associatedtype.Ok-6"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeTupleVariant.html#associatedtype.Ok"class="associatedtype">Ok</a> = Ok</h4></section></summary><divclass='docblock'>Must match the <code>Ok</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-6"class="associatedtype trait-impl"><ahref="#associatedtype.Error-6"class="anchor">§</a><h4class="code-header">type <ahref="trait.SerializeTupleVariant.html#associatedtype.Error"class="associatedtype">Error</a> = Error</h4></section></summary><divclass='docblock'>Must match the <code>Error</code> type of our <code>Serializer</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.serialize_field-3"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#135-141">source</a><ahref="#method.serialize_field-3"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeTupleVariant.html#tymethod.serialize_field"class="fn">serialize_field</a><T>(&mut self, value: <aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.reference.html">&T</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.unit.html">()</a>, Error><divclass="where">where
T: <aclass="trait"href="../trait.Serialize.html"title="trait serde::Serialize">Serialize</a> + ?<aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Serialize a tuple variant field.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.end-6"class="method trait-impl"><aclass="src rightside"href="../../src/serde/ser/impossible.rs.html#143-145">source</a><ahref="#method.end-6"class="anchor">§</a><h4class="code-header">fn <ahref="trait.SerializeTupleVariant.html#tymethod.end"class="fn">end</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><Ok, Error></h4></section></summary><divclass='docblock'>Finish serializing a tuple variant.</div></details></div></details></div><h2id="synthetic-implementations"class="section-header">Auto Trait Implementations<ahref="#synthetic-implementations"class="anchor">§</a></h2><divid="synthetic-implementations-list"><sectionid="impl-RefUnwindSafe-for-Impossible%3COk,+Error%3E"class="impl"><ahref="#impl-RefUnwindSafe-for-Impossible%3COk,+Error%3E"class="anchor">§</a><h3class="code-header">impl<Ok, Error><aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/panic/unwind_safe/trait.RefUnwindSafe.html"title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <aclass="struct"href="struct.Impossible.html"title="struct serde::ser::Impossible">Impossible</a><Ok, Error><divclass="where">where
<code><ahref="https://doc.rust-lang.org/1.77.0/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.0/src/core/convert/mod.rs.html#804-806">source</a><ahref="#impl-TryFrom%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-8"class="associatedtype trait-impl"><ahref="#associatedtype.Error-8"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_from"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.0/src/core/convert/mod.rs.html#811">source</a><ahref="#method.try_from"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html#tymethod.try_from"class="fn">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.0/src/core/convert/mod.rs.html#789-791">source</a><ahref="#impl-TryInto%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-7"class="associatedtype trait-impl"><ahref="#associatedtype.Error-7"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryInto.html#associatedtype.Error"class="associatedtype">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_into"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.77.0/src/core/convert/mod.rs.html#796">source</a><ahref="#method.try_into"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryInto.html#tymethod.try_into"class="fn">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.77.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.77.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>