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<title>mentat_query_translator::ResultExt - Rust</title>
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<div class="sidebar-menu">☰</div>
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<p class='location'>Trait ResultExt</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.chain_err">chain_err</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-ResultExt%3CT%3E">Result<T, E></a><a href="#impl-ResultExt%3CT%3E">Option<T></a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>mentat_query_translator</a></p><script>window.sidebarCurrent = {name: 'ResultExt', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<section id='main' class="content"><h1 class='fqn'><span class='in-band'>Trait <a href='index.html'>mentat_query_translator</a>::<wbr><a class="trait" href=''>ResultExt</a></span><span class='out-of-band'><span id='render-detail'>
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</span></span></h1><div class="docblock type-decl"><pre class='rust trait'>pub trait ResultExt<T> {
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fn <a href='#tymethod.chain_err' class='fnname'>chain_err</a><F, EK>(self, callback: F) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <a class="struct" href="../mentat_query_translator/struct.Error.html" title="struct mentat_query_translator::Error">Error</a>><br> <span class="where">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> EK,<br> EK: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../mentat_query_translator/enum.ErrorKind.html" title="enum mentat_query_translator::ErrorKind">ErrorKind</a>></span>;
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}</pre></div><div class='docblock'><p>Additional methods for <code>Result</code>, for easy interaction with this crate.</p>
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Required Methods<a href='#required-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='tymethod.chain_err' class='method'><span id='chain_err.v' class='invisible'><code>fn <a href='#tymethod.chain_err' class='fnname'>chain_err</a><F, EK>(self, callback: F) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <a class="struct" href="../mentat_query_translator/struct.Error.html" title="struct mentat_query_translator::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> EK,<br> EK: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../mentat_query_translator/enum.ErrorKind.html" title="enum mentat_query_translator::ErrorKind">ErrorKind</a>>, </span></code></span></h3><div class='docblock'><p>If the <code>Result</code> is an <code>Err</code> then <code>chain_err</code> evaluates the closure,
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which returns <em>some type that can be converted to <code>ErrorKind</code></em>, boxes
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the original error to store as the cause, then returns a new error
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containing the original error.</p>
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<h2 id='foreign-impls' class='small-section-header'>
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Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a>
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</h2>
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<h3 id='impl-ResultExt%3CT%3E' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T, E> <a class="trait" href="../mentat_query_translator/trait.ResultExt.html" title="trait mentat_query_translator::ResultExt">ResultExt</a><T> for <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E> <span class="where fmt-newline">where<br> E: <a class="trait" href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html" title="trait std::error::Error">Error</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static, </span></code><a href='#impl-ResultExt%3CT%3E' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.chain_err' class="method"><span id='chain_err.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.chain_err' class='fnname'>chain_err</a><F, EK>(self, callback: F) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <a class="struct" href="../mentat_query_translator/struct.Error.html" title="struct mentat_query_translator::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> EK,<br> EK: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../mentat_query_translator/enum.ErrorKind.html" title="enum mentat_query_translator::ErrorKind">ErrorKind</a>>, </span></code></td><td></td></tr></tbody></table></span></h4></div></span><h3 id='impl-ResultExt%3CT%3E-1' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T> <a class="trait" href="../mentat_query_translator/trait.ResultExt.html" title="trait mentat_query_translator::ResultExt">ResultExt</a><T> for <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><T></code><a href='#impl-ResultExt%3CT%3E-1' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='method.chain_err-1' class="method"><span id='chain_err.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.chain_err' class='fnname'>chain_err</a><F, EK>(self, callback: F) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <a class="struct" href="../mentat_query_translator/struct.Error.html" title="struct mentat_query_translator::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> EK,<br> EK: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../mentat_query_translator/enum.ErrorKind.html" title="enum mentat_query_translator::ErrorKind">ErrorKind</a>>, </span></code></td><td></td></tr></tbody></table></span></h4></div></span>
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