| <!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="An error that occurs during certificate validation or name validation."><meta name="keywords" content="rust, rustlang, rust-lang, Error"><title>Error in webpki - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" 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class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../webpki/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Error</a></h2><div class="sidebar-elems"><section><h3><a href="#variants">Variants</a></h3><ul class="block"><li><a href="#variant.BadDER">BadDER</a></li><li><a href="#variant.BadDERTime">BadDERTime</a></li><li><a href="#variant.CAUsedAsEndEntity">CAUsedAsEndEntity</a></li><li><a href="#variant.CertExpired">CertExpired</a></li><li><a href="#variant.CertNotValidForName">CertNotValidForName</a></li><li><a href="#variant.CertNotValidYet">CertNotValidYet</a></li><li><a href="#variant.EndEntityUsedAsCA">EndEntityUsedAsCA</a></li><li><a href="#variant.ExtensionValueInvalid">ExtensionValueInvalid</a></li><li><a href="#variant.InvalidCertValidity">InvalidCertValidity</a></li><li><a href="#variant.InvalidSignatureForPublicKey">InvalidSignatureForPublicKey</a></li><li><a href="#variant.NameConstraintViolation">NameConstraintViolation</a></li><li><a href="#variant.PathLenConstraintViolated">PathLenConstraintViolated</a></li><li><a href="#variant.RequiredEKUNotFound">RequiredEKUNotFound</a></li><li><a href="#variant.SignatureAlgorithmMismatch">SignatureAlgorithmMismatch</a></li><li><a href="#variant.UnknownIssuer">UnknownIssuer</a></li><li><a href="#variant.UnsupportedCertVersion">UnsupportedCertVersion</a></li><li><a href="#variant.UnsupportedCriticalExtension">UnsupportedCriticalExtension</a></li><li><a href="#variant.UnsupportedSignatureAlgorithm">UnsupportedSignatureAlgorithm</a></li><li><a href="#variant.UnsupportedSignatureAlgorithmForPublicKey">UnsupportedSignatureAlgorithmForPublicKey</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Clone-for-Error">Clone</a></li><li><a href="#impl-Copy-for-Error">Copy</a></li><li><a href="#impl-Debug-for-Error">Debug</a></li><li><a href="#impl-Display-for-Error">Display</a></li><li><a href="#impl-Error-for-Error">Error</a></li><li><a href="#impl-PartialEq%3CError%3E-for-Error">PartialEq<Error></a></li><li><a href="#impl-StructuralPartialEq-for-Error">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Error">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Error">Send</a></li><li><a href="#impl-Sync-for-Error">Sync</a></li><li><a href="#impl-Unpin-for-Error">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Error">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Error">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Error">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Error">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-Error">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-Error">Into<U></a></li><li><a href="#impl-Provider-for-Error">Provider</a></li><li><a href="#impl-ToOwned-for-Error">ToOwned</a></li><li><a href="#impl-ToString-for-Error">ToString</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Error">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-Error">TryInto<U></a></li></ul></section><h2><a href="index.html">In webpki</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Enum <a href="index.html">webpki</a>::<wbr><a class="enum" href="#">Error</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../src/webpki/error.rs.html#19-88">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust enum"><code>pub enum Error { |
| <details class="rustdoc-toggle type-contents-toggle"><summary class="hideme"><span>Show 19 variants</span></summary> BadDER, |
| BadDERTime, |
| CAUsedAsEndEntity, |
| CertExpired, |
| CertNotValidForName, |
| CertNotValidYet, |
| EndEntityUsedAsCA, |
| ExtensionValueInvalid, |
| InvalidCertValidity, |
| InvalidSignatureForPublicKey, |
| NameConstraintViolation, |
| PathLenConstraintViolated, |
| SignatureAlgorithmMismatch, |
| RequiredEKUNotFound, |
| UnknownIssuer, |
| UnsupportedCertVersion, |
| UnsupportedCriticalExtension, |
| UnsupportedSignatureAlgorithmForPublicKey, |
| UnsupportedSignatureAlgorithm, |
| </details>}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An error that occurs during certificate validation or name validation.</p> |
| </div></details><h2 id="variants" class="variants small-section-header">Variants<a href="#variants" class="anchor"></a></h2><h3 id="variant.BadDER" class="variant small-section-header"><a href="#variant.BadDER" class="anchor field"></a><code>BadDER</code></h3><div class="docblock"><p>The encoding of some ASN.1 DER-encoded item is invalid.</p> |
| </div><h3 id="variant.BadDERTime" class="variant small-section-header"><a href="#variant.BadDERTime" class="anchor field"></a><code>BadDERTime</code></h3><div class="docblock"><p>The encoding of an ASN.1 DER-encoded time is invalid.</p> |
| </div><h3 id="variant.CAUsedAsEndEntity" class="variant small-section-header"><a href="#variant.CAUsedAsEndEntity" class="anchor field"></a><code>CAUsedAsEndEntity</code></h3><div class="docblock"><p>A CA certificate is veing used as an end-entity certificate.</p> |
| </div><h3 id="variant.CertExpired" class="variant small-section-header"><a href="#variant.CertExpired" class="anchor field"></a><code>CertExpired</code></h3><div class="docblock"><p>The certificate is expired; i.e. the time it is being validated for is |
| later than the certificate’s notAfter time.</p> |
| </div><h3 id="variant.CertNotValidForName" class="variant small-section-header"><a href="#variant.CertNotValidForName" class="anchor field"></a><code>CertNotValidForName</code></h3><div class="docblock"><p>The certificate is not valid for the name it is being validated for.</p> |
| </div><h3 id="variant.CertNotValidYet" class="variant small-section-header"><a href="#variant.CertNotValidYet" class="anchor field"></a><code>CertNotValidYet</code></h3><div class="docblock"><p>The certificate is not valid yet; i.e. the time it is being validated |
| for is earlier than the certificate’s notBefore time.</p> |
| </div><h3 id="variant.EndEntityUsedAsCA" class="variant small-section-header"><a href="#variant.EndEntityUsedAsCA" class="anchor field"></a><code>EndEntityUsedAsCA</code></h3><div class="docblock"><p>An end-entity certificate is being used as a CA certificate.</p> |
| </div><h3 id="variant.ExtensionValueInvalid" class="variant small-section-header"><a href="#variant.ExtensionValueInvalid" class="anchor field"></a><code>ExtensionValueInvalid</code></h3><div class="docblock"><p>An X.509 extension is invalid.</p> |
| </div><h3 id="variant.InvalidCertValidity" class="variant small-section-header"><a href="#variant.InvalidCertValidity" class="anchor field"></a><code>InvalidCertValidity</code></h3><div class="docblock"><p>The certificate validity period (notBefore, notAfter) is invalid; e.g. |
| the notAfter time is earlier than the notBefore time.</p> |
| </div><h3 id="variant.InvalidSignatureForPublicKey" class="variant small-section-header"><a href="#variant.InvalidSignatureForPublicKey" class="anchor field"></a><code>InvalidSignatureForPublicKey</code></h3><div class="docblock"><p>The signature is invalid for the given public key.</p> |
| </div><h3 id="variant.NameConstraintViolation" class="variant small-section-header"><a href="#variant.NameConstraintViolation" class="anchor field"></a><code>NameConstraintViolation</code></h3><div class="docblock"><p>The certificate violates one or more name constraints.</p> |
| </div><h3 id="variant.PathLenConstraintViolated" class="variant small-section-header"><a href="#variant.PathLenConstraintViolated" class="anchor field"></a><code>PathLenConstraintViolated</code></h3><div class="docblock"><p>The certificate violates one or more path length constraints.</p> |
| </div><h3 id="variant.SignatureAlgorithmMismatch" class="variant small-section-header"><a href="#variant.SignatureAlgorithmMismatch" class="anchor field"></a><code>SignatureAlgorithmMismatch</code></h3><div class="docblock"><p>The algorithm in the TBSCertificate “signature” field of a certificate |
| does not match the algorithm in the signature of the certificate.</p> |
| </div><h3 id="variant.RequiredEKUNotFound" class="variant small-section-header"><a href="#variant.RequiredEKUNotFound" class="anchor field"></a><code>RequiredEKUNotFound</code></h3><div class="docblock"><p>The certificate is not valid for the Extended Key Usage for which it is |
| being validated.</p> |
| </div><h3 id="variant.UnknownIssuer" class="variant small-section-header"><a href="#variant.UnknownIssuer" class="anchor field"></a><code>UnknownIssuer</code></h3><div class="docblock"><p>A valid issuer for the certificate could not be found.</p> |
| </div><h3 id="variant.UnsupportedCertVersion" class="variant small-section-header"><a href="#variant.UnsupportedCertVersion" class="anchor field"></a><code>UnsupportedCertVersion</code></h3><div class="docblock"><p>The certificate is not a v3 X.509 certificate.</p> |
| </div><h3 id="variant.UnsupportedCriticalExtension" class="variant small-section-header"><a href="#variant.UnsupportedCriticalExtension" class="anchor field"></a><code>UnsupportedCriticalExtension</code></h3><div class="docblock"><p>The certificate contains an unsupported critical extension.</p> |
| </div><h3 id="variant.UnsupportedSignatureAlgorithmForPublicKey" class="variant small-section-header"><a href="#variant.UnsupportedSignatureAlgorithmForPublicKey" class="anchor field"></a><code>UnsupportedSignatureAlgorithmForPublicKey</code></h3><div class="docblock"><p>The signature’s algorithm does not match the algorithm of the public |
| key it is being validated for. This may be because the public key |
| algorithm’s OID isn’t recognized (e.g. DSA), or the public key |
| algorithm’s parameters don’t match the supported parameters for that |
| algorithm (e.g. ECC keys for unsupported curves), or the public key |
| algorithm and the signature algorithm simply don’t match (e.g. |
| verifying an RSA signature with an ECC public key).</p> |
| </div><h3 id="variant.UnsupportedSignatureAlgorithm" class="variant small-section-header"><a href="#variant.UnsupportedSignatureAlgorithm" class="anchor field"></a><code>UnsupportedSignatureAlgorithm</code></h3><div class="docblock"><p>The signature algorithm for a signature is not in the set of supported |
| signature algorithms given.</p> |
| </div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Clone-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#18">source</a><a href="#impl-Clone-for-Error" class="anchor"></a><h3 class="code-header">impl Clone for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#18">source</a><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone</a>(&self) -> <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#18">source</a><a href="#impl-Debug-for-Error" class="anchor"></a><h3 class="code-header">impl Debug for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#18">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&self, f: &mut Formatter<'_>) -> Result</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Display-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#90-92">source</a><a href="#impl-Display-for-Error" class="anchor"></a><h3 class="code-header">impl Display for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#91">source</a><a href="#method.fmt-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&self, f: &mut Formatter<'_>) -> Result</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Error-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#95">source</a><a href="#impl-Error-for-Error" class="anchor"></a><h3 class="code-header">impl Error for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.source" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.30.0">1.30.0</span><a href="#method.source" class="anchor"></a><h4 class="code-header">fn <a class="fnname">source</a>(&self) -> Option<&(dyn Error + 'static)></h4></section></summary><div class='docblock'>The lower-level source of this error, if any. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.description" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.description" class="anchor"></a><h4 class="code-header">fn <a class="fnname">description</a>(&self) -> &str</h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 1.42.0: use the Display impl or to_string()</span></div></span><div class='docblock'> <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.cause" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.cause" class="anchor"></a><h4 class="code-header">fn <a class="fnname">cause</a>(&self) -> Option<&dyn Error></h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 1.33.0: replaced by Error::source, which can support downcasting</span></div></span></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.provide" class="method trait-impl has-srclink"><a href="#method.provide" class="anchor"></a><h4 class="code-header">fn <a class="fnname">provide</a>(&'a self, demand: &mut Demand<'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>error_generic_member_access</code>)</span></div></span><div class='docblock'>Provides type based access to context intended for error reports. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialEq%3CError%3E-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#18">source</a><a href="#impl-PartialEq%3CError%3E-for-Error" class="anchor"></a><h3 class="code-header">impl PartialEq<<a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a>> for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#18">source</a><a href="#method.eq" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a>(&self, other: &<a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a>) -> bool</h4></section></summary><div class='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used |
| by <code>==</code>. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ne" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">ne</a>(&self, other: &Rhs) -> bool</h4></section></summary><div class='docblock'>This method tests for <code>!=</code>. The default implementation is almost always |
| sufficient, and should not be overridden without very good reason. <a>Read more</a></div></details></div></details><section id="impl-Copy-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#18">source</a><a href="#impl-Copy-for-Error" class="anchor"></a><h3 class="code-header">impl Copy for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-StructuralPartialEq-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../src/webpki/error.rs.html#18">source</a><a href="#impl-StructuralPartialEq-for-Error" class="anchor"></a><h3 class="code-header">impl StructuralPartialEq for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-Error" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Error" class="anchor"></a><h3 class="code-header">impl RefUnwindSafe for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-Send-for-Error" class="impl has-srclink"><a href="#impl-Send-for-Error" class="anchor"></a><h3 class="code-header">impl Send for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-Sync-for-Error" class="impl has-srclink"><a href="#impl-Sync-for-Error" class="anchor"></a><h3 class="code-header">impl Sync for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-Unpin-for-Error" class="impl has-srclink"><a href="#impl-Unpin-for-Error" class="anchor"></a><h3 class="code-header">impl Unpin for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section><section id="impl-UnwindSafe-for-Error" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Error" class="anchor"></a><h3 class="code-header">impl UnwindSafe for <a class="enum" href="enum.Error.html" title="enum webpki::Error">Error</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-Error" class="impl has-srclink"><a href="#impl-Any-for-Error" class="anchor"></a><h3 class="code-header">impl<T> Any for T<span class="where fmt-newline">where<br> T: 'static + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a class="fnname">type_id</a>(&self) -> TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-Error" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-Error" class="anchor"></a><h3 class="code-header">impl<T> Borrow<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow</a>(&self) -> &T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-Error" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-Error" class="anchor"></a><h3 class="code-header">impl<T> BorrowMut<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow_mut</a>(&mut self) -> &mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-Error" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-Error" class="anchor"></a><h3 class="code-header">impl<T> From<T> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-Error" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-Error" class="anchor"></a><h3 class="code-header">impl<T, U> Into<U> for T<span class="where fmt-newline">where<br> U: From<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p> |
| <p>That is, this conversion is whatever the implementation of |
| <code>[From]<T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Provider-for-Error" class="impl has-srclink"><a href="#impl-Provider-for-Error" class="anchor"></a><h3 class="code-header">impl<E> Provider for E<span class="where fmt-newline">where<br> E: Error + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.provide-1" class="method trait-impl has-srclink"><a href="#method.provide-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">provide</a>(&'a self, demand: &mut Demand<'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>provide_any</code>)</span></div></span><div class='docblock'>Data providers should implement this method to provide <em>all</em> values they are able to |
| provide by using <code>demand</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-Error" class="impl has-srclink"><a href="#impl-ToOwned-for-Error" class="anchor"></a><h3 class="code-header">impl<T> ToOwned for T<span class="where fmt-newline">where<br> T: Clone,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a class="fnname">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone_into</a>(&self, target: &mut T)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToString-for-Error" class="impl has-srclink"><a href="#impl-ToString-for-Error" class="anchor"></a><h3 class="code-header">impl<T> ToString for T<span class="where fmt-newline">where<br> T: Display + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_string" class="method trait-impl has-srclink"><a href="#method.to_string" class="anchor"></a><h4 class="code-header">default fn <a class="fnname">to_string</a>(&self) -> String</h4></section></summary><div class='docblock'>Converts the given value to a <code>String</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-Error" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-Error" class="anchor"></a><h3 class="code-header">impl<T, U> TryFrom<U> for T<span class="where fmt-newline">where<br> U: Into<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_from</a>(value: U) -> Result<T, <T as TryFrom<U>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-Error" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-Error" class="anchor"></a><h3 class="code-header">impl<T, U> TryInto<U> for T<span class="where fmt-newline">where<br> U: TryFrom<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = <U as TryFrom<T>>::Error</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_into</a>(self) -> Result<U, <U as TryFrom<T>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div 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