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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="Trait implemented by Python object types that allow a checked downcast. If `T` implements `PyTryFrom`, we can convert `&PyAny` to `&T`."><meta name="keywords" content="rust, rustlang, rust-lang, PyTryFrom"><title>pyo3::conversion::PyTryFrom - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">&#9776;</div><a href='../../pyo3/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Trait PyTryFrom</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.try_from">try_from</a><a href="#tymethod.try_from_exact">try_from_exact</a><a href="#tymethod.try_from_unchecked">try_from_unchecked</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class="location"><a href="../index.html">pyo3</a>::<wbr><a href="index.html">conversion</a></p><div id="sidebar-vars" data-name="PyTryFrom" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="../index.html">pyo3</a>::<wbr><a href="index.html">conversion</a>::<wbr><a class="trait" href="">PyTryFrom</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/pyo3/conversion.rs.html#284-298" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust trait">pub trait PyTryFrom&lt;'v&gt;: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../pyo3/trait.PyNativeType.html" title="trait pyo3::PyNativeType">PyNativeType</a> {
fn <a href="#tymethod.try_from" class="fnname">try_from</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>&nbsp;&nbsp;&nbsp;&nbsp;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;;
<div class="item-spacer"></div> fn <a href="#tymethod.try_from_exact" class="fnname">try_from_exact</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>&nbsp;&nbsp;&nbsp;&nbsp;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;;
<div class="item-spacer"></div> unsafe fn <a href="#tymethod.try_from_unchecked" class="fnname">try_from_unchecked</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(value: V) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self;
}</pre></div><div class="docblock"><p>Trait implemented by Python object types that allow a checked downcast.
If <code>T</code> implements <code>PyTryFrom</code>, we can convert <code>&amp;PyAny</code> to <code>&amp;T</code>.</p>
<p>This trait is similar to <code>std::convert::TryFrom</code></p>
</div><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><h3 id="tymethod.try_from" class="method"><code>fn <a href="#tymethod.try_from" class="fnname">try_from</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#286" title="goto source code">[src]</a></h3><div class="docblock"><p>Cast from a concrete Python object type to PyObject.</p>
</div><h3 id="tymethod.try_from_exact" class="method"><code>fn <a href="#tymethod.try_from_exact" class="fnname">try_from_exact</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#289" title="goto source code">[src]</a></h3><div class="docblock"><p>Cast from a concrete Python object type to PyObject. With exact type check.</p>
</div><h3 id="tymethod.try_from_unchecked" class="method"><code>unsafe fn <a href="#tymethod.try_from_unchecked" class="fnname">try_from_unchecked</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(value: V) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#297" title="goto source code">[src]</a></h3><div class="docblock"><p>Cast a PyAny to a specific type of PyObject. The caller must
have already verified the reference is for this type.</p>
<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
<p>Callers must ensure that the type is valid or risk type confusion.</p>
</div></div><span class="loading-content">Loading content...</span><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><h3 id="impl-PyTryFrom%3C%27v%3E" class="impl"><code class="in-band">impl&lt;'v&gt; <a class="trait" href="../../pyo3/conversion/trait.PyTryFrom.html" title="trait pyo3::conversion::PyTryFrom">PyTryFrom</a>&lt;'v&gt; for <a class="struct" href="../../pyo3/types/struct.PyIterator.html" title="struct pyo3::types::PyIterator">PyIterator</a></code><a href="#impl-PyTryFrom%3C%27v%3E" class="anchor"></a><a class="srclink" href="../../src/pyo3/types/iterator.rs.html#72-93" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.try_from" class="method hidden"><code>fn <a href="#method.try_from" class="fnname">try_from</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&amp;'v <a class="struct" href="../../pyo3/types/struct.PyIterator.html" title="struct pyo3::types::PyIterator">PyIterator</a>, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/types/iterator.rs.html#73-82" title="goto source code">[src]</a></h4><h4 id="method.try_from_exact" class="method hidden"><code>fn <a href="#method.try_from_exact" class="fnname">try_from_exact</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&amp;'v <a class="struct" href="../../pyo3/types/struct.PyIterator.html" title="struct pyo3::types::PyIterator">PyIterator</a>, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/types/iterator.rs.html#84-86" title="goto source code">[src]</a></h4><h4 id="method.try_from_unchecked" class="method hidden"><code>unsafe fn <a href="#method.try_from_unchecked" class="fnname">try_from_unchecked</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(value: V) -&gt; &amp;'v <a class="struct" href="../../pyo3/types/struct.PyIterator.html" title="struct pyo3::types::PyIterator">PyIterator</a><span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for &amp;'p <a class="struct" href="../../pyo3/types/struct.PyIterator.html" title="struct pyo3::types::PyIterator">PyIterator</a></h3><code class="content"><span class="where fmt-newline">impl&lt;'p&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for &amp;'p <a class="struct" href="../../pyo3/types/struct.PyIterator.html" title="struct pyo3::types::PyIterator">PyIterator</a></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" class="type">Item</a> = <a class="type" href="../../pyo3/prelude/type.PyResult.html" title="type pyo3::prelude::PyResult">PyResult</a>&lt;&amp;'p <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;;</span></code></span></div></span></span></code><a class="srclink" href="../../src/pyo3/types/iterator.rs.html#89-92" title="goto source code">[src]</a></h4></div><h3 id="impl-PyTryFrom%3C%27v%3E-1" class="impl"><code class="in-band">impl&lt;'v&gt; <a class="trait" href="../../pyo3/conversion/trait.PyTryFrom.html" title="trait pyo3::conversion::PyTryFrom">PyTryFrom</a>&lt;'v&gt; for <a class="struct" href="../../pyo3/types/struct.PySequence.html" title="struct pyo3::types::PySequence">PySequence</a></code><a href="#impl-PyTryFrom%3C%27v%3E-1" class="anchor"></a><a class="srclink" href="../../src/pyo3/types/sequence.rs.html#374-395" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.try_from-1" class="method hidden"><code>fn <a href="#method.try_from-1" class="fnname">try_from</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&amp;'v <a class="struct" href="../../pyo3/types/struct.PySequence.html" title="struct pyo3::types::PySequence">PySequence</a>, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/types/sequence.rs.html#375-384" title="goto source code">[src]</a></h4><h4 id="method.try_from_exact-1" class="method hidden"><code>fn <a href="#method.try_from_exact-1" class="fnname">try_from_exact</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&amp;'v <a class="struct" href="../../pyo3/types/struct.PySequence.html" title="struct pyo3::types::PySequence">PySequence</a>, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/types/sequence.rs.html#386-388" title="goto source code">[src]</a></h4><h4 id="method.try_from_unchecked-1" class="method hidden"><code>unsafe fn <a href="#method.try_from_unchecked-1" class="fnname">try_from_unchecked</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(value: V) -&gt; &amp;'v <a class="struct" href="../../pyo3/types/struct.PySequence.html" title="struct pyo3::types::PySequence">PySequence</a></code><a class="srclink" href="../../src/pyo3/types/sequence.rs.html#391-394" title="goto source code">[src]</a></h4></div><h3 id="impl-PyTryFrom%3C%27v%3E-2" class="impl"><code class="in-band">impl&lt;'v, T&gt; <a class="trait" href="../../pyo3/conversion/trait.PyTryFrom.html" title="trait pyo3::conversion::PyTryFrom">PyTryFrom</a>&lt;'v&gt; for <a class="struct" href="../../pyo3/pycell/struct.PyCell.html" title="struct pyo3::pycell::PyCell">PyCell</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'v + <a class="trait" href="../../pyo3/pyclass/trait.PyClass.html" title="trait pyo3::pyclass::PyClass">PyClass</a>,&nbsp;</span></code><a href="#impl-PyTryFrom%3C%27v%3E-2" class="anchor"></a><a class="srclink" href="../../src/pyo3/conversion.rs.html#355-383" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.try_from-2" class="method hidden"><code>fn <a href="#method.try_from-2" class="fnname">try_from</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#359-368" title="goto source code">[src]</a></h4><h4 id="method.try_from_exact-2" class="method hidden"><code>fn <a href="#method.try_from_exact-2" class="fnname">try_from_exact</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#369-378" title="goto source code">[src]</a></h4><h4 id="method.try_from_unchecked-2" class="method hidden"><code>unsafe fn <a href="#method.try_from_unchecked-2" class="fnname">try_from_unchecked</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(value: V) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#380-382" title="goto source code">[src]</a></h4></div><h3 id="impl-PyTryFrom%3C%27v%3E-3" class="impl"><code class="in-band">impl&lt;'v, T&gt; <a class="trait" href="../../pyo3/conversion/trait.PyTryFrom.html" title="trait pyo3::conversion::PyTryFrom">PyTryFrom</a>&lt;'v&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../../pyo3/type_object/trait.PyTypeInfo.html" title="trait pyo3::type_object::PyTypeInfo">PyTypeInfo</a> + <a class="trait" href="../../pyo3/trait.PyNativeType.html" title="trait pyo3::PyNativeType">PyNativeType</a>,&nbsp;</span></code><a href="#impl-PyTryFrom%3C%27v%3E-3" class="anchor"></a><a class="srclink" href="../../src/pyo3/conversion.rs.html#323-353" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.try_from-3" class="method hidden"><code>fn <a href="#method.try_from-3" class="fnname">try_from</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#327-336" title="goto source code">[src]</a></h4><h4 id="method.try_from_exact-3" class="method hidden"><code>fn <a href="#method.try_from_exact-3" class="fnname">try_from_exact</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;value: V<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self, <a class="struct" href="../../pyo3/struct.PyDowncastError.html" title="struct pyo3::PyDowncastError">PyDowncastError</a>&lt;'v&gt;&gt;</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#338-347" title="goto source code">[src]</a></h4><h4 id="method.try_from_unchecked-3" class="method hidden"><code>unsafe fn <a href="#method.try_from_unchecked-3" class="fnname">try_from_unchecked</a>&lt;V:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;&amp;'v <a class="struct" href="../../pyo3/prelude/struct.PyAny.html" title="struct pyo3::prelude::PyAny">PyAny</a>&gt;&gt;(value: V) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'v </a>Self</code><a class="srclink" href="../../src/pyo3/conversion.rs.html#350-352" title="goto source code">[src]</a></h4></div></div><span class="loading-content">Loading content...</span><script type="text/javascript" src="../../implementors/pyo3/conversion/trait.PyTryFrom.js" async></script></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="pyo3" data-search-js="../../search-index.js"></div>
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