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

#include <memory>

Public Types

template<typename _Up >
using __safe_conversion_raw
 
template<typename _Up , typename _Ep , typename _UPtr = unique_ptr<_Up, _Ep>, typename _UP_pointer = typename _UPtr::pointer, typename _UP_element_type = typename _UPtr::element_type>
using __safe_conversion_up
 
using deleter_type
 
using element_type
 
using pointer
 

Public Member Functions

template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
constexpr unique_ptr () noexcept
 
template<typename _Up , typename _Vp = _Dp, typename = _DeleterConstraint<_Vp>, typename = typename enable_if< __safe_conversion_raw<_Up>::value, bool>::type>
constexpr unique_ptr (_Up __p) noexcept
 
template<typename _Up , typename _Del = deleter_type, typename = _Require<__safe_conversion_raw<_Up>, is_move_constructible<_Del>>>
constexpr unique_ptr (_Up __p, __enable_if_t<!is_lvalue_reference< _Del >::value, _Del && > __d) noexcept
 
template<typename _Up , typename _Del = deleter_type, typename = _Require<__safe_conversion_raw<_Up>, is_copy_constructible<_Del>>>
constexpr unique_ptr (_Up __p, const deleter_type &__d) noexcept
 
template<typename _Up , typename _Del = deleter_type, typename _DelUnref = typename remove_reference<_Del>::type, typename = _Require<__safe_conversion_raw<_Up>>>
 unique_ptr (_Up, __enable_if_t< is_lvalue_reference< _Del >::value, _DelUnref && >)=delete
 
 unique_ptr (const unique_ptr &)=delete
 
template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
constexpr unique_ptr (nullptr_t) noexcept
 
 unique_ptr (unique_ptr &&)=default
 
template<typename _Up , typename _Ep , typename = _Require< __safe_conversion_up<_Up, _Ep>, __conditional_t<is_reference<_Dp>::value, is_same<_Ep, _Dp>, is_convertible<_Ep, _Dp>>>>
constexpr unique_ptr (unique_ptr< _Up, _Ep > &&__u) noexcept
 
 ~unique_ptr ()
 
constexpr pointer get () const noexcept
 
constexpr const deleter_type & get_deleter () const noexcept
 
constexpr deleter_type & get_deleter () noexcept
 
constexpr operator bool () const noexcept
 
unique_ptroperator= (const unique_ptr &)=delete
 
constexpr unique_ptroperator= (nullptr_t) noexcept
 
unique_ptroperator= (unique_ptr &&)=default
 
template<typename _Up , typename _Ep >
constexpr enable_if< __and_< __safe_conversion_up< _Up, _Ep >, is_assignable< deleter_type &, _Ep && > >::value, unique_ptr & >::type operator= (unique_ptr< _Up, _Ep > &&__u) noexcept
 
constexpr std::add_lvalue_reference< element_type >::type operator[] (size_t __i) const
 
constexpr pointer release () noexcept
 
template<typename _Up , typename = _Require< __or_<is_same<_Up, pointer>, __and_<is_same<pointer, element_type*>, is_pointer<_Up>, is_convertible< typename remove_pointer<_Up>::type(*)[], element_type(*)[] > > > >>
constexpr void reset (_Up __p) noexcept
 
constexpr void reset (nullptr_t=nullptr) noexcept
 
constexpr void swap (unique_ptr &__u) noexcept
 

Detailed Description

template<typename _Tp, typename _Dp>
class std::unique_ptr< _Tp[], _Dp >

A move-only smart pointer that manages unique ownership of an array.

Since
C++11

Definition at line 537 of file unique_ptr.h.

Member Typedef Documentation

◆ __safe_conversion_raw

template<typename _Tp , typename _Dp >
template<typename _Up >
using std::unique_ptr< _Tp[], _Dp >::__safe_conversion_raw

Definition at line 570 of file unique_ptr.h.

◆ __safe_conversion_up

template<typename _Tp , typename _Dp >
template<typename _Up , typename _Ep , typename _UPtr = unique_ptr<_Up, _Ep>, typename _UP_pointer = typename _UPtr::pointer, typename _UP_element_type = typename _UPtr::element_type>
using std::unique_ptr< _Tp[], _Dp >::__safe_conversion_up

Definition at line 561 of file unique_ptr.h.

◆ deleter_type

template<typename _Tp , typename _Dp >
using std::unique_ptr< _Tp[], _Dp >::deleter_type

Definition at line 553 of file unique_ptr.h.

◆ element_type

template<typename _Tp , typename _Dp >
using std::unique_ptr< _Tp[], _Dp >::element_type

Definition at line 552 of file unique_ptr.h.

◆ pointer

template<typename _Tp , typename _Dp >
using std::unique_ptr< _Tp[], _Dp >::pointer

Definition at line 551 of file unique_ptr.h.

Constructor & Destructor Documentation

◆ unique_ptr() [1/7]

template<typename _Tp , typename _Dp >
template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
std::unique_ptr< _Tp[], _Dp >::unique_ptr ( )
inlineconstexprnoexcept

Default constructor, creates a unique_ptr that owns nothing.

Definition at line 586 of file unique_ptr.h.

◆ unique_ptr() [2/7]

template<typename _Tp , typename _Dp >
template<typename _Up , typename _Vp = _Dp, typename = _DeleterConstraint<_Vp>, typename = typename enable_if< __safe_conversion_raw<_Up>::value, bool>::type>
std::unique_ptr< _Tp[], _Dp >::unique_ptr ( _Up __p)
inlineexplicitconstexprnoexcept

Takes ownership of a pointer.

Parameters
__pA pointer to an array of a type safely convertible to an array of element_type

The deleter will be value-initialized.

Definition at line 604 of file unique_ptr.h.

◆ unique_ptr() [3/7]

template<typename _Tp , typename _Dp >
template<typename _Up , typename _Del = deleter_type, typename = _Require<__safe_conversion_raw<_Up>, is_copy_constructible<_Del>>>
std::unique_ptr< _Tp[], _Dp >::unique_ptr ( _Up __p,
const deleter_type & __d )
inlineconstexprnoexcept

Takes ownership of a pointer.

Parameters
__pA pointer to an array of a type safely convertible to an array of element_type
__dA reference to a deleter.

The deleter will be initialized with __d

Definition at line 620 of file unique_ptr.h.

◆ unique_ptr() [4/7]

template<typename _Tp , typename _Dp >
template<typename _Up , typename _Del = deleter_type, typename = _Require<__safe_conversion_raw<_Up>, is_move_constructible<_Del>>>
std::unique_ptr< _Tp[], _Dp >::unique_ptr ( _Up __p,
__enable_if_t<!is_lvalue_reference< _Del >::value, _Del && > __d )
inlineconstexprnoexcept

Takes ownership of a pointer.

Parameters
__pA pointer to an array of a type safely convertible to an array of element_type
__dA reference to a deleter.

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

Definition at line 635 of file unique_ptr.h.

◆ unique_ptr() [5/7]

template<typename _Tp , typename _Dp >
std::unique_ptr< _Tp[], _Dp >::unique_ptr ( unique_ptr< _Tp[], _Dp > && )
default

Move constructor.

◆ unique_ptr() [6/7]

template<typename _Tp , typename _Dp >
template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
std::unique_ptr< _Tp[], _Dp >::unique_ptr ( nullptr_t )
inlineconstexprnoexcept

Creates a unique_ptr that owns nothing.

Definition at line 653 of file unique_ptr.h.

◆ unique_ptr() [7/7]

template<typename _Tp , typename _Dp >
template<typename _Up , typename _Ep , typename = _Require< __safe_conversion_up<_Up, _Ep>, __conditional_t<is_reference<_Dp>::value, is_same<_Ep, _Dp>, is_convertible<_Ep, _Dp>>>>
std::unique_ptr< _Tp[], _Dp >::unique_ptr ( unique_ptr< _Up, _Ep > && __u)
inlineconstexprnoexcept

Definition at line 663 of file unique_ptr.h.

◆ ~unique_ptr()

template<typename _Tp , typename _Dp >
std::unique_ptr< _Tp[], _Dp >::~unique_ptr ( )
inline

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

Definition at line 671 of file unique_ptr.h.

Member Function Documentation

◆ get()

template<typename _Tp , typename _Dp >
pointer std::unique_ptr< _Tp[], _Dp >::get ( ) const
inlineconstexprnoexcept

Return the stored pointer.

Definition at line 732 of file unique_ptr.h.

◆ get_deleter() [1/2]

template<typename _Tp , typename _Dp >
const deleter_type & std::unique_ptr< _Tp[], _Dp >::get_deleter ( ) const
inlineconstexprnoexcept

Return a reference to the stored deleter.

Definition at line 744 of file unique_ptr.h.

◆ get_deleter() [2/2]

template<typename _Tp , typename _Dp >
deleter_type & std::unique_ptr< _Tp[], _Dp >::get_deleter ( )
inlineconstexprnoexcept

Return a reference to the stored deleter.

Definition at line 738 of file unique_ptr.h.

◆ operator bool()

template<typename _Tp , typename _Dp >
std::unique_ptr< _Tp[], _Dp >::operator bool ( ) const
inlineexplicitconstexprnoexcept

Return true if the stored pointer is not null.

Definition at line 749 of file unique_ptr.h.

◆ operator=() [1/3]

template<typename _Tp , typename _Dp >
unique_ptr & std::unique_ptr< _Tp[], _Dp >::operator= ( nullptr_t )
inlineconstexprnoexcept

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

Definition at line 712 of file unique_ptr.h.

◆ operator=() [2/3]

template<typename _Tp , typename _Dp >
unique_ptr & std::unique_ptr< _Tp[], _Dp >::operator= ( unique_ptr< _Tp[], _Dp > && )
default

Move assignment operator.

Invokes the deleter if this object owns a pointer.

◆ operator=() [3/3]

template<typename _Tp , typename _Dp >
template<typename _Up , typename _Ep >
enable_if< __and_< __safe_conversion_up< _Up, _Ep >, is_assignable< deleter_type &, _Ep && > >::value, unique_ptr & >::type std::unique_ptr< _Tp[], _Dp >::operator= ( unique_ptr< _Up, _Ep > && __u)
inlineconstexprnoexcept

Assignment from another type.

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

Invokes the deleter if this object owns a pointer.

Definition at line 702 of file unique_ptr.h.

References std::forward().

◆ operator[]()

template<typename _Tp , typename _Dp >
std::add_lvalue_reference< element_type >::type std::unique_ptr< _Tp[], _Dp >::operator[] ( size_t __i) const
inlineconstexpr

Access an element of owned array.

Definition at line 723 of file unique_ptr.h.

◆ release()

template<typename _Tp , typename _Dp >
pointer std::unique_ptr< _Tp[], _Dp >::release ( )
inlineconstexprnoexcept

Release ownership of any stored pointer.

Definition at line 757 of file unique_ptr.h.

◆ reset() [1/2]

template<typename _Tp , typename _Dp >
template<typename _Up , typename = _Require< __or_<is_same<_Up, pointer>, __and_<is_same<pointer, element_type*>, is_pointer<_Up>, is_convertible< typename remove_pointer<_Up>::type(*)[], element_type(*)[] > > > >>
void std::unique_ptr< _Tp[], _Dp >::reset ( _Up __p)
inlineconstexprnoexcept

Replace the stored pointer.

Parameters
__pThe new pointer to store.

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

Definition at line 780 of file unique_ptr.h.

References std::move().

◆ reset() [2/2]

template<typename _Tp , typename _Dp >
void std::unique_ptr< _Tp[], _Dp >::reset ( nullptr_t = nullptr)
inlineconstexprnoexcept

Definition at line 784 of file unique_ptr.h.

◆ swap()

template<typename _Tp , typename _Dp >
void std::unique_ptr< _Tp[], _Dp >::swap ( unique_ptr< _Tp[], _Dp > & __u)
inlineconstexprnoexcept

Exchange the pointer and deleter with another object.

Definition at line 790 of file unique_ptr.h.


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