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<div class="title">std::weak_ptr< _Tp > Class Template Reference<div class="ingroups"><a class="el" href="a01480.html">Utilities</a> » <a class="el" href="a01474.html">Memory</a> » <a class="el" href="a01475.html">Pointer Abstractions</a></div></div> </div>
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<p>Inherits std::__weak_ptr< _Tp, _Lp >.</p>
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Public Types</h2></td></tr>
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using </td><td class="memItemRight" valign="bottom"><b>element_type</b> = typename <a class="el" href="a04083.html">remove_extent</a>< _Tp >::type</td></tr>
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Public Member Functions</h2></td></tr>
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template<typename _Yp , typename = _Constructible<const shared_ptr<_Yp>&>> </td></tr>
<tr class="memitem:a75f6260d5b3372d503cce85edbdab84b"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>weak_ptr</b> (const <a class="el" href="a06851.html">shared_ptr</a>< _Yp > &__r) noexcept</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>weak_ptr</b> (const <a class="el" href="a06859.html">weak_ptr</a> &) noexcept=default</td></tr>
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template<typename _Yp , typename = _Constructible<const weak_ptr<_Yp>&>> </td></tr>
<tr class="memitem:a4cc414637fc8691cd1b663d583846b69"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>weak_ptr</b> (const <a class="el" href="a06859.html">weak_ptr</a>< _Yp > &__r) noexcept</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>weak_ptr</b> (<a class="el" href="a06859.html">weak_ptr</a> &&) noexcept=default</td></tr>
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template<typename _Yp , typename = _Constructible<weak_ptr<_Yp>>> </td></tr>
<tr class="memitem:a26ffd79c17b5054cf3c2e479c8700cab"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>weak_ptr</b> (<a class="el" href="a06859.html">weak_ptr</a>< _Yp > &&__r) noexcept</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>expired</b> () const noexcept</td></tr>
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<a class="el" href="a06851.html">shared_ptr</a>< _Tp > </td><td class="memItemRight" valign="bottom"><b>lock</b> () const noexcept</td></tr>
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<a class="el" href="a06859.html">weak_ptr</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (const <a class="el" href="a06859.html">weak_ptr</a> &__r) noexcept=default</td></tr>
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template<typename _Yp > </td></tr>
<tr class="memitem:a419ff557b4f077c17fb77d61f3893e9d"><td class="memTemplItemLeft" align="right" valign="top">_Assignable< const <a class="el" href="a06859.html">weak_ptr</a>< _Yp > & > </td><td class="memTemplItemRight" valign="bottom"><b>operator=</b> (const <a class="el" href="a06859.html">weak_ptr</a>< _Yp > &__r) noexcept</td></tr>
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template<typename _Yp > </td></tr>
<tr class="memitem:a4fa1dc453e1249ff513214dd7dbf9768"><td class="memTemplItemLeft" align="right" valign="top">_Assignable< const <a class="el" href="a06851.html">shared_ptr</a>< _Yp > & > </td><td class="memTemplItemRight" valign="bottom"><b>operator=</b> (const <a class="el" href="a06851.html">shared_ptr</a>< _Yp > &__r) noexcept</td></tr>
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<a class="el" href="a06859.html">weak_ptr</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (<a class="el" href="a06859.html">weak_ptr</a> &&__r) noexcept=default</td></tr>
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template<typename _Yp > </td></tr>
<tr class="memitem:ad869cae90f3dd639d5c76364fe0863b8"><td class="memTemplItemLeft" align="right" valign="top">_Assignable< <a class="el" href="a06859.html">weak_ptr</a>< _Yp > > </td><td class="memTemplItemRight" valign="bottom"><b>operator=</b> (<a class="el" href="a06859.html">weak_ptr</a>< _Yp > &&__r) noexcept</td></tr>
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template<typename _Tp1 > </td></tr>
<tr class="memitem:a71b92f6e5c2b1dfd0cd17d671fa5b14d"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><b>owner_before</b> (const __shared_ptr< _Tp1, _Lp > &__rhs) const noexcept</td></tr>
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template<typename _Tp1 > </td></tr>
<tr class="memitem:a57cf289e204411fe068cb4b132aad21d"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><b>owner_before</b> (const __weak_ptr< _Tp1, _Lp > &__rhs) const noexcept</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>reset</b> () noexcept</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>swap</b> (__weak_ptr &__s) noexcept</td></tr>
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long </td><td class="memItemRight" valign="bottom"><b>use_count</b> () const noexcept</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename _Tp><br />
class std::weak_ptr< _Tp ></h3>
<p>A smart pointer with weak semantics. </p>
<p>With forwarding constructors and assignment operators. </p>
<p class="definition">Definition at line <a class="el" href="a17112_source.html#l00535">535</a> of file <a class="el" href="a17112_source.html">bits/shared_ptr.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a17112_source.html">bits/shared_ptr.h</a></li>
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