#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
constexpr add_lvalue_reference< element_type >::type	operator* () const noexcept(noexcept(*std::declval< pointer >()))
constexpr pointer	operator-> () const noexcept
unique_ptr &	operator= (const unique_ptr &)=delete
constexpr unique_ptr &	operator= (nullptr_t) noexcept
unique_ptr &	operator= (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

Related Symbols
(Note that these are not member symbols.)
constexpr __detail::__unique_ptr_t< _Tp >	make_unique (_Args &&... __args)
__detail::__invalid_make_unique_t< _Tp >	make_unique (_Args &&...)=delete
constexpr __detail::__unique_ptr_array_t< _Tp >	make_unique (size_t __num)
constexpr __detail::__unique_ptr_t< _Tp >	make_unique_for_overwrite ()
__detail::__invalid_make_unique_t< _Tp >	make_unique_for_overwrite (_Args &&...)=delete
constexpr __detail::__unique_ptr_array_t< _Tp >	make_unique_for_overwrite (size_t __num)
basic_ostream< _CharT, _Traits > &	operator<< (basic_ostream< _CharT, _Traits > &__os, const unique_ptr< _Tp, _Dp > &__p)
constexpr enable_if< __is_swappable< _Dp >::value >::type	swap (unique_ptr< _Tp, _Dp > &__x, unique_ptr< _Tp, _Dp > &__y) 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 535 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 568 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 559 of file unique_ptr.h.

◆ deleter_type

template<typename _Tp, typename _Dp>

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

Definition at line 551 of file unique_ptr.h.

◆ element_type

template<typename _Tp, typename _Dp>

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

Definition at line 550 of file unique_ptr.h.

◆ pointer

template<typename _Tp, typename _Dp>

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

Definition at line 549 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 584 of file unique_ptr.h.

Referenced by unique_ptr(), operator=(), operator=(), operator=(), and swap().

◆ 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

__p	A pointer to an array of a type safely convertible to an array of `element_type`

The deleter will be value-initialized.

Definition at line 602 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

__p	A pointer to an array of a type safely convertible to an array of `element_type`
__d	A reference to a deleter.

The deleter will be initialized with __d

Definition at line 618 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

__p	A pointer to an array of a type safely convertible to an array of `element_type`
__d	A reference to a deleter.

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

Definition at line 633 of file unique_ptr.h.

References std::move().

◆ unique_ptr() [5/7]

template<typename _Tp, typename _Dp>

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

default

Move constructor.

References unique_ptr().

◆ 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 651 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 661 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 669 of file unique_ptr.h.

References std::unique_ptr< _Tp, _Dp >::get_deleter().

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 730 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 742 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 736 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 747 of file unique_ptr.h.

References std::unique_ptr< _Tp, _Dp >::get().

◆ operator*()

add_lvalue_reference< element_type >::type std::unique_ptr< _Tp, _Dp >::operator* ( ) const

inlineconstexprnoexcept

Dereference the stored pointer.

Definition at line 451 of file unique_ptr.h.

◆ operator->()

pointer std::unique_ptr< _Tp, _Dp >::operator-> ( ) const

inlineconstexprnoexcept

Return the stored pointer.

Definition at line 460 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 710 of file unique_ptr.h.

References unique_ptr(), and std::unique_ptr< _Tp, _Dp >::reset().

◆ 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.

References unique_ptr().

◆ 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

__u	The 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 700 of file unique_ptr.h.

References unique_ptr(), std::forward(), std::unique_ptr< _Tp, _Dp >::get_deleter(), and std::unique_ptr< _Tp, _Dp >::reset().

◆ 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 721 of file unique_ptr.h.

References std::unique_ptr< _Tp, _Dp >::get(), and operator[]().

Referenced by operator[]().

◆ release()

template<typename _Tp, typename _Dp>

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

inlineconstexprnoexcept

Release ownership of any stored pointer.

Definition at line 755 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

__p	The new pointer to store.

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

Definition at line 778 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 782 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 788 of file unique_ptr.h.

References unique_ptr().

◆ make_unique() [1/3]

__detail::__unique_ptr_t< _Tp > make_unique ( _Args &&... __args )

Create an object owned by a unique_ptr.

Template Parameters

_Tp	A non-array object type.

Parameters

__args Constructor arguments for the new object.

Returns: A unique_ptr<_Tp> that owns the new object.

Since: C++14

Definition at line 1069 of file unique_ptr.h.

◆ make_unique() [2/3]

__detail::__invalid_make_unique_t< _Tp > make_unique ( _Args && ... )

Disable std::make_unique for arrays of known bound.

Template Parameters

_Tp	An array type of known bound, such as U[N].

Since: C++14

◆ make_unique() [3/3]

__detail::__unique_ptr_array_t< _Tp > make_unique ( size_t __num )

Create an array owned by a unique_ptr.

Template Parameters

_Tp	An array type of unknown bound, such as U[].

Parameters

__num The number of elements of type U in the new array.

Returns: A unique_ptr<U[]> that owns the new array.

Since: C++14

The array elements are value-initialized.

Definition at line 1084 of file unique_ptr.h.

◆ make_unique_for_overwrite() [1/3]

__detail::__unique_ptr_t< _Tp > make_unique_for_overwrite ( )

Create a default-initialied object owned by a unique_ptr.

Template Parameters

_Tp	A non-array object type.

Returns: A unique_ptr<_Tp> that owns the new object.

Since: C++20

Definition at line 1106 of file unique_ptr.h.

◆ make_unique_for_overwrite() [2/3]

__detail::__invalid_make_unique_t< _Tp > make_unique_for_overwrite ( _Args && ... )

Disable std::make_unique_for_overwrite for arrays of known bound.

Template Parameters

_Tp	An array type of known bound, such as U[N].

Since: C++20

◆ make_unique_for_overwrite() [3/3]

__detail::__unique_ptr_array_t< _Tp > make_unique_for_overwrite ( size_t __num )

Create a default-initialized array owned by a unique_ptr.

Template Parameters

_Tp	An array type of unknown bound, such as U[].

Parameters

__num The number of elements of type U in the new array.

Returns: A unique_ptr<U[]> that owns the new array.

Since: C++20

Definition at line 1119 of file unique_ptr.h.

◆ operator<<()

basic_ostream< _CharT, _Traits > & operator<<	(	basic_ostream< _CharT, _Traits > &	__os,
		const unique_ptr< _Tp, _Dp > &	__p )

Stream output operator for unique_ptr.

Since: C++20

Definition at line 1129 of file unique_ptr.h.

◆ swap()

enable_if< __is_swappable< _Dp >::value >::type swap	(	unique_ptr< _Tp, _Dp > &	__x,
		unique_ptr< _Tp, _Dp > &	__y )

Swap overload for unique_ptr.

Definition at line 813 of file unique_ptr.h.

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

Public Types

Public Member Functions

Related Symbols

Detailed Description

Member Typedef Documentation

◆ __safe_conversion_raw

◆ __safe_conversion_up

◆ deleter_type

◆ element_type

◆ pointer

Constructor & Destructor Documentation

◆ unique_ptr() [1/7]

◆ unique_ptr() [2/7]

◆ unique_ptr() [3/7]

◆ unique_ptr() [4/7]

◆ unique_ptr() [5/7]

◆ unique_ptr() [6/7]

◆ unique_ptr() [7/7]

◆ ~unique_ptr()

Member Function Documentation

◆ get()

◆ get_deleter() [1/2]

◆ get_deleter() [2/2]

◆ operator bool()

◆ operator*()

◆ operator->()

◆ operator=() [1/3]

◆ operator=() [2/3]

◆ operator=() [3/3]

◆ operator[]()

◆ release()

◆ reset() [1/2]

◆ reset() [2/2]

◆ swap()

Friends And Related Symbol Documentation

◆ make_unique() [1/3]

◆ make_unique() [2/3]

◆ make_unique() [3/3]

◆ make_unique_for_overwrite() [1/3]

◆ make_unique_for_overwrite() [2/3]

◆ make_unique_for_overwrite() [3/3]

◆ operator<<()

◆ swap()