libstdc++
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std::unique_ptr< _Tp, _Dp > Class Template Reference
Pointer_abstractions

Public Types

typedef _Dp deleter_type
 
typedef _Tp element_type
 
typedef _Pointer::type pointer
 

Public Member Functions

constexpr unique_ptr () noexcept
 
 unique_ptr (pointer __p) noexcept
 
 unique_ptr (pointer __p, typename conditional< is_reference< deleter_type >::value, deleter_type, const deleter_type & >::type __d) noexcept
 
 unique_ptr (pointer __p, typename remove_reference< deleter_type >::type &&__d) noexcept
 
constexpr unique_ptr (nullptr_t) noexcept
 
 unique_ptr (unique_ptr &&__u) noexcept
 
template<typename _Up , typename _Ep , typename = _Require< is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>, __not_<is_array<_Up>>, typename conditional<is_reference<_Dp>::value, is_same<_Ep, _Dp>, is_convertible<_Ep, _Dp>>::type>>
 unique_ptr (unique_ptr< _Up, _Ep > &&__u) noexcept
 
template<typename _Up , typename >
 unique_ptr (auto_ptr< _Up > &&__u) noexcept
 
 unique_ptr (const unique_ptr &)=delete
 
 ~unique_ptr () noexcept
 
pointer get () const noexcept
 
deleter_type & get_deleter () noexcept
 
const deleter_type & get_deleter () const noexcept
 
 operator bool () const noexcept
 
add_lvalue_reference
< element_type >::type 		operator* () const
 
pointer operator-> () const noexcept
 
unique_ptr & operator= (unique_ptr &&__u) noexcept
 
template<typename _Up , typename _Ep >
enable_if< __and_
< is_convertible< typename
unique_ptr< _Up, _Ep >
::pointer, pointer >, __not_
< is_array< _Up > > >::value,
unique_ptr & >::type 		operator= (unique_ptr< _Up, _Ep > &&__u) noexcept
 
unique_ptr & operator= (nullptr_t) noexcept
 
unique_ptr & operator= (const unique_ptr &)=delete
 
pointer release () noexcept
 
void reset (pointer __p=pointer()) noexcept
 
void swap (unique_ptr &__u) noexcept
 

Detailed Description

template<typename _Tp, typename _Dp = default_delete<_Tp>>
class std::unique_ptr< _Tp, _Dp >

20.7.1.2 unique_ptr for single objects.

Definition at line 129 of file unique_ptr.h.

Constructor & Destructor Documentation

template<typename _Tp, typename _Dp = default_delete<_Tp>>
constexpr std::unique_ptr< _Tp, _Dp >::unique_ptr ( )
inlinenoexcept

Default constructor, creates a unique_ptr that owns nothing.

Definition at line 157 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
std::unique_ptr< _Tp, _Dp >::unique_ptr ( pointer  __p)
inlineexplicitnoexcept

Takes ownership of a pointer.

Parameters
__pA pointer to an object of element_type

The deleter will be value-initialized.

Definition at line 169 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
std::unique_ptr< _Tp, _Dp >::unique_ptr ( pointer  __p,
typename conditional< is_reference< deleter_type >::value, deleter_type, const deleter_type & >::type  __d 
)
inlinenoexcept

Takes ownership of a pointer.

Parameters
__pA pointer to an object of element_type
__dA reference to a deleter.

The deleter will be initialized with __d

Definition at line 181 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
std::unique_ptr< _Tp, _Dp >::unique_ptr ( pointer  __p,
typename remove_reference< deleter_type >::type &&  __d 
)
inlinenoexcept

Takes ownership of a pointer.

Parameters
__pA pointer to an object of element_type
__dAn rvalue reference to a deleter.

The deleter will be initialized with std::move(__d)

Definition at line 193 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
constexpr std::unique_ptr< _Tp, _Dp >::unique_ptr ( nullptr_t  )
inlinenoexcept

Creates a unique_ptr that owns nothing.

Definition at line 200 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
std::unique_ptr< _Tp, _Dp >::unique_ptr ( unique_ptr< _Tp, _Dp > &&  __u)
inlinenoexcept

Move constructor.

Definition at line 205 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
template<typename _Up , typename _Ep , typename = _Require< is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>, __not_<is_array<_Up>>, typename conditional<is_reference<_Dp>::value, is_same<_Ep, _Dp>, is_convertible<_Ep, _Dp>>::type>>
std::unique_ptr< _Tp, _Dp >::unique_ptr ( unique_ptr< _Up, _Ep > &&  __u)
inlinenoexcept

Converting constructor from another type.

Requires that the pointer owned by __u is convertible to the type of pointer owned by this object, __u does not own an array, and __u has a compatible deleter type.

Definition at line 220 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
std::unique_ptr< _Tp, _Dp >::~unique_ptr ( )
inlinenoexcept

Destructor, invokes the deleter if the stored pointer is not null.

Definition at line 232 of file unique_ptr.h.

Member Function Documentation

template<typename _Tp, typename _Dp = default_delete<_Tp>>
pointer std::unique_ptr< _Tp, _Dp >::get ( ) const
inlinenoexcept

Return the stored pointer.

Definition at line 304 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
deleter_type& std::unique_ptr< _Tp, _Dp >::get_deleter ( )
inlinenoexcept

Return a reference to the stored deleter.

Definition at line 309 of file unique_ptr.h.

Referenced by std::unique_ptr< std::vector< bool > >::operator=(), std::unique_ptr< _Tp[], _Dp >::operator=(), std::unique_ptr< std::vector< bool > >::reset(), std::unique_ptr< _Tp[], _Dp >::reset(), std::unique_ptr< std::vector< bool > >::~unique_ptr(), and std::unique_ptr< _Tp[], _Dp >::~unique_ptr().

template<typename _Tp, typename _Dp = default_delete<_Tp>>
const deleter_type& std::unique_ptr< _Tp, _Dp >::get_deleter ( ) const
inlinenoexcept

Return a reference to the stored deleter.

Definition at line 314 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
std::unique_ptr< _Tp, _Dp >::operator bool ( ) const
inlineexplicitnoexcept

Return true if the stored pointer is not null.

Definition at line 318 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
add_lvalue_reference<element_type>::type std::unique_ptr< _Tp, _Dp >::operator* ( ) const
inline

Dereference the stored pointer.

Definition at line 288 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
pointer std::unique_ptr< _Tp, _Dp >::operator-> ( ) const
inlinenoexcept

Return the stored pointer.

Definition at line 296 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
unique_ptr& std::unique_ptr< _Tp, _Dp >::operator= ( unique_ptr< _Tp, _Dp > &&  __u)
inlinenoexcept

Move assignment operator.

Parameters
__uThe object to transfer ownership from.

Invokes the deleter first if this object owns a pointer.

Definition at line 249 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
template<typename _Up , typename _Ep >
enable_if< __and_< is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>, __not_<is_array<_Up> > >::value, unique_ptr&>::type std::unique_ptr< _Tp, _Dp >::operator= ( unique_ptr< _Up, _Ep > &&  __u)
inlinenoexcept

Assignment from another type.

Parameters
__uThe object to transfer ownership from, which owns a convertible pointer to a non-array object.

Invokes the deleter first if this object owns a pointer.

Definition at line 269 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
unique_ptr& std::unique_ptr< _Tp, _Dp >::operator= ( nullptr_t  )
inlinenoexcept

Reset the unique_ptr to empty, invoking the deleter if necessary.

Definition at line 278 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
pointer std::unique_ptr< _Tp, _Dp >::release ( )
inlinenoexcept

Release ownership of any stored pointer.

Definition at line 325 of file unique_ptr.h.

template<typename _Tp, typename _Dp = default_delete<_Tp>>
void std::unique_ptr< _Tp, _Dp >::reset ( pointer  __p = pointer())
inlinenoexcept

Replace the stored pointer.

Parameters
__pThe new pointer to store.

The deleter will be invoked if a pointer is already owned.

Definition at line 339 of file unique_ptr.h.

Referenced by std::unique_ptr< std::vector< bool > >::operator=(), and std::unique_ptr< _Tp[], _Dp >::operator=().

template<typename _Tp, typename _Dp = default_delete<_Tp>>
void std::unique_ptr< _Tp, _Dp >::swap ( unique_ptr< _Tp, _Dp > &  __u)
inlinenoexcept

Exchange the pointer and deleter with another object.

Definition at line 349 of file unique_ptr.h.

Referenced by std::unique_ptr< std::vector< bool > >::reset(), std::unique_ptr< _Tp[], _Dp >::reset(), std::unique_ptr< std::vector< bool > >::swap(), and std::unique_ptr< _Tp[], _Dp >::swap().

The documentation for this class was generated from the following files: