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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="API documentation for the Rust `CloneStableDeref` trait in crate `stable_deref_trait`."><meta name="keywords" content="rust, rustlang, rust-lang, CloneStableDeref"><title>stable_deref_trait::CloneStableDeref - 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="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script></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">☰</div><p class='location'>Trait CloneStableDeref</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-CloneStableDeref">Rc<T></a><a href="#impl-CloneStableDeref">Arc<T></a><a href="#impl-CloneStableDeref">&'a T</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>stable_deref_trait</a></p><script>window.sidebarCurrent = {name: 'CloneStableDeref', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="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'>stable_deref_trait</a>::<wbr><a class="trait" href=''>CloneStableDeref</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'>−</span>]</a></span><a class='srclink' href='../src/stable_deref_trait/lib.rs.html#131' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust trait'>pub unsafe trait CloneStableDeref: <a class="trait" href="../stable_deref_trait/trait.StableDeref.html" title="trait stable_deref_trait::StableDeref">StableDeref</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> { }</pre></div><div class='docblock'><p>An unsafe marker trait for types where clones deref to the same address. This has all the requirements of StableDeref, and additionally requires that after calling clone(), both the old and new value deref to the same address. For example, Rc and Arc implement CloneStableDeref, but Box and Vec do not.</p>
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<p>Note that a single type should never implement both DerefMut and CloneStableDeref. If it did, this would let you get two mutable references to the same location, by cloning and then calling deref_mut() on both values.</p>
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Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a>
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<h3 id='impl-CloneStableDeref' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T: ?<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="../stable_deref_trait/trait.CloneStableDeref.html" title="trait stable_deref_trait::CloneStableDeref">CloneStableDeref</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/rc/struct.Rc.html" title="struct alloc::rc::Rc">Rc</a><T></code><a href='#impl-CloneStableDeref' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/stable_deref_trait/lib.rs.html#182' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'></div></span><h3 id='impl-CloneStableDeref-1' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<T: ?<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="../stable_deref_trait/trait.CloneStableDeref.html" title="trait stable_deref_trait::CloneStableDeref">CloneStableDeref</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><T></code><a href='#impl-CloneStableDeref-1' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/stable_deref_trait/lib.rs.html#186' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'></div></span><h3 id='impl-CloneStableDeref-2' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'a, T: ?<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="../stable_deref_trait/trait.CloneStableDeref.html" title="trait stable_deref_trait::CloneStableDeref">CloneStableDeref</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T</code><a href='#impl-CloneStableDeref-2' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/stable_deref_trait/lib.rs.html#200' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'></div></span><h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><ul class='item-list' id='implementors-list'></ul><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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