.TH "std::shared_ptr< _Tp >" 3cxx "Sun Feb 7 2021" "libstdc++" \" -*- nroff -*-
.ad l
.nh
.SH NAME
std::shared_ptr< _Tp > \- A smart pointer with reference-counted copy semantics\&.  

.SH SYNOPSIS
.br
.PP
.PP
Inherits std::__shared_ptr< _Tp, _Lp >\&.
.SS "Public Types"

.in +1c
.ti -1c
.RI "using \fBelement_type\fP = typename __shared_ptr< _Tp >::element_type"
.br
.in -1c
.SS "Public Member Functions"

.in +1c
.ti -1c
.RI "constexpr \fBshared_ptr\fP () noexcept"
.br
.RI "Construct an empty shared_ptr\&. "
.ti -1c
.RI "template<typename _Yp , typename  = _Constructible<_Yp*>> \fBshared_ptr\fP (_Yp *__p)"
.br
.RI "Construct a shared_ptr that owns the pointer \fI__p\fP\&. "
.ti -1c
.RI "template<typename _Yp , typename _Deleter , typename  = _Constructible<_Yp*, _Deleter>> \fBshared_ptr\fP (_Yp *__p, _Deleter __d)"
.br
.RI "Construct a shared_ptr that owns the pointer \fI__p\fP and the deleter \fI__d\fP\&. "
.ti -1c
.RI "template<typename _Yp , typename _Deleter , typename _Alloc , typename  = _Constructible<_Yp*, _Deleter, _Alloc>> \fBshared_ptr\fP (_Yp *__p, _Deleter __d, _Alloc __a)"
.br
.RI "Construct a shared_ptr that owns the pointer \fI__p\fP and the deleter \fI__d\fP\&. "
.ti -1c
.RI "\fBshared_ptr\fP (const \fBshared_ptr\fP &) noexcept=default"
.br
.ti -1c
.RI "template<typename _Yp , typename  = _Constructible<const shared_ptr<_Yp>&>> \fBshared_ptr\fP (const \fBshared_ptr\fP< _Yp > &__r) noexcept"
.br
.RI "If \fI__r\fP is empty, constructs an empty shared_ptr; otherwise construct a shared_ptr that shares ownership with \fI__r\fP\&. "
.ti -1c
.RI "template<typename _Yp > \fBshared_ptr\fP (const \fBshared_ptr\fP< _Yp > &__r, element_type *__p) noexcept"
.br
.RI "Constructs a shared_ptr instance that stores \fI__p\fP and shares ownership with \fI__r\fP\&. "
.ti -1c
.RI "template<typename _Yp , typename  = _Constructible<const weak_ptr<_Yp>&>> \fBshared_ptr\fP (const \fBweak_ptr\fP< _Yp > &__r)"
.br
.RI "Constructs a shared_ptr that shares ownership with \fI__r\fP and stores a copy of the pointer stored in \fI__r\fP\&. "
.ti -1c
.RI "template<typename _Deleter > \fBshared_ptr\fP (nullptr_t __p, _Deleter __d)"
.br
.RI "Construct a shared_ptr that owns a null pointer and the deleter \fI__d\fP\&. "
.ti -1c
.RI "template<typename _Deleter , typename _Alloc > \fBshared_ptr\fP (nullptr_t __p, _Deleter __d, _Alloc __a)"
.br
.RI "Construct a shared_ptr that owns a null pointer and the deleter \fI__d\fP\&. "
.ti -1c
.RI "constexpr \fBshared_ptr\fP (nullptr_t) noexcept"
.br
.RI "Construct an empty shared_ptr\&. "
.ti -1c
.RI "\fBshared_ptr\fP (\fBshared_ptr\fP &&__r) noexcept"
.br
.RI "Move-constructs a shared_ptr instance from \fI__r\fP\&. "
.ti -1c
.RI "template<typename _Yp , typename  = _Constructible<shared_ptr<_Yp>>> \fBshared_ptr\fP (\fBshared_ptr\fP< _Yp > &&__r) noexcept"
.br
.RI "Move-constructs a shared_ptr instance from \fI__r\fP\&. "
.ti -1c
.RI "template<typename _Tp1 , typename > \fBshared_ptr\fP (\fBstd::auto_ptr\fP< _Tp1 > &&__r)"
.br
.ti -1c
.RI "template<typename _Yp , typename _Del , typename  = _Constructible<unique_ptr<_Yp, _Del>>> \fBshared_ptr\fP (\fBunique_ptr\fP< _Yp, _Del > &&__r)"
.br
.ti -1c
.RI "element_type * \fBget\fP () const noexcept"
.br
.ti -1c
.RI "\fBoperator bool\fP () const"
.br
.ti -1c
.RI "element_type & \fBoperator*\fP () const noexcept"
.br
.ti -1c
.RI "element_type * \fBoperator\->\fP () const noexcept"
.br
.ti -1c
.RI "\fBshared_ptr\fP & \fBoperator=\fP (const \fBshared_ptr\fP &) noexcept=default"
.br
.ti -1c
.RI "template<typename _Yp > _Assignable< const \fBshared_ptr\fP< _Yp > & > \fBoperator=\fP (const \fBshared_ptr\fP< _Yp > &__r) noexcept"
.br
.ti -1c
.RI "\fBshared_ptr\fP & \fBoperator=\fP (\fBshared_ptr\fP &&__r) noexcept"
.br
.ti -1c
.RI "template<class _Yp > _Assignable< \fBshared_ptr\fP< _Yp > > \fBoperator=\fP (\fBshared_ptr\fP< _Yp > &&__r) noexcept"
.br
.ti -1c
.RI "template<typename _Yp , typename _Del > _Assignable< \fBunique_ptr\fP< _Yp, _Del > > \fBoperator=\fP (\fBunique_ptr\fP< _Yp, _Del > &&__r)"
.br
.ti -1c
.RI "template<typename _Tp1 > bool \fBowner_before\fP (__shared_ptr< _Tp1, _Lp > const &__rhs) const noexcept"
.br
.ti -1c
.RI "template<typename _Tp1 > bool \fBowner_before\fP (__weak_ptr< _Tp1, _Lp > const &__rhs) const noexcept"
.br
.ti -1c
.RI "void \fBreset\fP () noexcept"
.br
.ti -1c
.RI "template<typename _Yp > _SafeConv< _Yp > \fBreset\fP (_Yp *__p)"
.br
.ti -1c
.RI "template<typename _Yp , typename _Deleter > _SafeConv< _Yp > \fBreset\fP (_Yp *__p, _Deleter __d)"
.br
.ti -1c
.RI "template<typename _Yp , typename _Deleter , typename _Alloc > _SafeConv< _Yp > \fBreset\fP (_Yp *__p, _Deleter __d, _Alloc __a)"
.br
.ti -1c
.RI "void \fBswap\fP (__shared_ptr< _Tp, _Lp > &__other) noexcept"
.br
.ti -1c
.RI "bool \fBunique\fP () const noexcept"
.br
.ti -1c
.RI "long \fBuse_count\fP () const noexcept"
.br
.in -1c
.SS "Friends"

.in +1c
.ti -1c
.RI "template<typename _Yp , typename _Alloc , typename\&.\&.\&. _Args> \fBshared_ptr\fP< _Yp > \fBallocate_shared\fP (const _Alloc &__a, _Args &&\&.\&.\&. __args)"
.br
.RI "Create an object that is owned by a shared_ptr\&. "
.ti -1c
.RI "class \fBweak_ptr< _Tp >\fP"
.br
.in -1c
.SH "Detailed Description"
.PP 

.SS "template<typename _Tp>
.br
class std::shared_ptr< _Tp >"
A smart pointer with reference-counted copy semantics\&. 

The object pointed to is deleted when the last shared_ptr pointing to it is destroyed or reset\&. 
.PP
Definition at line 103 of file bits/shared_ptr\&.h\&.

.SH "Author"
.PP 
Generated automatically by Doxygen for libstdc++ from the source code\&.