#include <memory>

Public Types
using	deleter_type = _Dp

using	element_type = _Tp

using	pointer = typename __uniq_ptr_impl< _Tp, _Dp >::pointer

Public Member Functions
template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
constexpr	unique_ptr () noexcept

template<typename _Up , typename = _Require< is_convertible<_Up, _Tp>, is_same<_Dp, default_delete<_Tp>>>>
	unique_ptr (auto_ptr< _Up > &&__u) noexcept

	unique_ptr (const unique_ptr &)=delete

template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
constexpr	unique_ptr (nullptr_t) noexcept

template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
_GLIBCXX23_CONSTEXPR	unique_ptr (pointer __p) noexcept

template<typename _Del = deleter_type, typename = _Require<is_move_constructible<_Del>>>
_GLIBCXX23_CONSTEXPR	unique_ptr (pointer __p, __enable_if_t<!is_lvalue_reference< _Del >::value, _Del && > __d) noexcept

template<typename _Del = deleter_type, typename = _Require<is_copy_constructible<_Del>>>
_GLIBCXX23_CONSTEXPR	unique_ptr (pointer __p, const deleter_type &__d) noexcept

template<typename _Del = deleter_type, typename _DelUnref = typename remove_reference<_Del>::type>
_GLIBCXX23_CONSTEXPR	unique_ptr (pointer, __enable_if_t< is_lvalue_reference< _Del >::value, _DelUnref && >)=delete

	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>>>>
_GLIBCXX23_CONSTEXPR	unique_ptr (unique_ptr< _Up, _Ep > &&__u) noexcept

	~unique_ptr () noexcept

_GLIBCXX23_CONSTEXPR pointer	get () const noexcept

_GLIBCXX23_CONSTEXPR const deleter_type &	get_deleter () const noexcept

_GLIBCXX23_CONSTEXPR deleter_type &	get_deleter () noexcept

_GLIBCXX23_CONSTEXPR	operator bool () const noexcept

_GLIBCXX23_CONSTEXPR add_lvalue_reference< element_type >::type	operator* () const noexcept(noexcept(*std::declval< pointer >()))

_GLIBCXX23_CONSTEXPR pointer	operator-> () const noexcept

unique_ptr &	operator= (const unique_ptr &)=delete

_GLIBCXX23_CONSTEXPR unique_ptr &	operator= (nullptr_t) noexcept

unique_ptr &	operator= (unique_ptr &&)=default

template<typename _Up , typename _Ep >
_GLIBCXX23_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

_GLIBCXX23_CONSTEXPR pointer	release () noexcept

_GLIBCXX23_CONSTEXPR void	reset (pointer __p=pointer()) noexcept

_GLIBCXX23_CONSTEXPR void	swap (unique_ptr &__u) noexcept

Related Symbols
(Note that these are not member symbols.)
template<typename _Tp , typename... _Args>
_GLIBCXX23_CONSTEXPR __detail::__unique_ptr_t< _Tp >	make_unique (_Args &&... __args)

template<typename _Tp , typename... _Args>
__detail::__invalid_make_unique_t< _Tp >	make_unique (_Args &&...)=delete

template<typename _Tp >
_GLIBCXX23_CONSTEXPR __detail::__unique_ptr_array_t< _Tp >	make_unique (size_t __num)

template<typename _Tp >
_GLIBCXX23_CONSTEXPR __detail::__unique_ptr_t< _Tp >	make_unique_for_overwrite ()

template<typename _Tp , typename... _Args>
__detail::__invalid_make_unique_t< _Tp >	make_unique_for_overwrite (_Args &&...)=delete

template<typename _Tp >
_GLIBCXX23_CONSTEXPR __detail::__unique_ptr_array_t< _Tp >	make_unique_for_overwrite (size_t __num)

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

template<typename _Tp , typename _Dp >
_GLIBCXX23_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 = default_delete<_Tp>>
class std::unique_ptr< _Tp, _Dp >

A move-only smart pointer that manages unique ownership of a resource.

Since: C++11

Definition at line 269 of file unique_ptr.h.

Member Typedef Documentation

◆ deleter_type

template<typename _Tp , typename _Dp = default_delete<_Tp>>

using std::unique_ptr< _Tp, _Dp >::deleter_type = _Dp

Definition at line 280 of file unique_ptr.h.

◆ element_type

template<typename _Tp , typename _Dp = default_delete<_Tp>>

using std::unique_ptr< _Tp, _Dp >::element_type = _Tp

Definition at line 279 of file unique_ptr.h.

◆ pointer

template<typename _Tp , typename _Dp = default_delete<_Tp>>

using std::unique_ptr< _Tp, _Dp >::pointer = typename __uniq_ptr_impl<_Tp, _Dp>::pointer

Definition at line 278 of file unique_ptr.h.

Constructor & Destructor Documentation

◆ unique_ptr() [1/8]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>

constexpr std::unique_ptr< _Tp, _Dp >::unique_ptr ( )

inlineconstexprnoexcept

Default constructor, creates a unique_ptr that owns nothing.

Definition at line 296 of file unique_ptr.h.

◆ unique_ptr() [2/8]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>

_GLIBCXX23_CONSTEXPR std::unique_ptr< _Tp, _Dp >::unique_ptr ( pointer __p )

inlineexplicitnoexcept

Takes ownership of a pointer.

Parameters

__p	A pointer to an object of `element_type`

The deleter will be value-initialized.

Definition at line 309 of file unique_ptr.h.

◆ unique_ptr() [3/8]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

template<typename _Del = deleter_type, typename = _Require<is_copy_constructible<_Del>>>

_GLIBCXX23_CONSTEXPR std::unique_ptr< _Tp, _Dp >::unique_ptr	(	pointer	__p,
		const deleter_type &	__d
	)

inlinenoexcept

Takes ownership of a pointer.

Parameters

__p	A pointer to an object of `element_type`
__d	A reference to a deleter.

The deleter will be initialized with __d

Definition at line 323 of file unique_ptr.h.

◆ unique_ptr() [4/8]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

template<typename _Del = deleter_type, typename = _Require<is_move_constructible<_Del>>>

_GLIBCXX23_CONSTEXPR std::unique_ptr< _Tp, _Dp >::unique_ptr	(	pointer	__p,
		__enable_if_t<!is_lvalue_reference< _Del >::value, _Del && >	__d
	)

inlinenoexcept

Takes ownership of a pointer.

Parameters

__p	A pointer to an object of `element_type`
__d	An rvalue reference to a (non-reference) deleter.

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

Definition at line 336 of file unique_ptr.h.

◆ unique_ptr() [5/8]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>

constexpr std::unique_ptr< _Tp, _Dp >::unique_ptr ( nullptr_t )

inlineconstexprnoexcept

Creates a unique_ptr that owns nothing.

Definition at line 351 of file unique_ptr.h.

◆ unique_ptr() [6/8]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

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

default

Move constructor.

◆ unique_ptr() [7/8]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

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>>>>

_GLIBCXX23_CONSTEXPR 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 372 of file unique_ptr.h.

◆ unique_ptr() [8/8]

template<typename _Tp , typename _Dp >

template<typename _Up , typename >

std::unique_ptr< _Tp, _Dp >::unique_ptr ( auto_ptr< _Up > && __u )

inlinenoexcept

Converting constructor from auto_ptr.

Definition at line 328 of file auto_ptr.h.

◆ ~unique_ptr()

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 390 of file unique_ptr.h.

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

Member Function Documentation

◆ get()

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR pointer std::unique_ptr< _Tp, _Dp >::get ( ) const

inlinenoexcept

Return the stored pointer.

Definition at line 461 of file unique_ptr.h.

Referenced by std::unique_ptr< _Tp, _Dp >::make_unique_for_overwrite(), std::unique_ptr< _Tp, _Dp >::operator bool(), std::unique_ptr< _Tp[], _Dp >::operator bool(), std::operator!=(), std::unique_ptr< _Tp, _Dp >::operator*(), std::unique_ptr< _Tp, _Dp >::operator->(), std::operator<(), std::operator<(), std::operator<(), std::operator==(), std::operator>(), std::operator>(), and std::unique_ptr< _Tp[], _Dp >::operator[]().

◆ get_deleter() [1/2]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR const deleter_type & std::unique_ptr< _Tp, _Dp >::get_deleter ( ) const

inlinenoexcept

Return a reference to the stored deleter.

Definition at line 473 of file unique_ptr.h.

◆ get_deleter() [2/2]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR deleter_type & std::unique_ptr< _Tp, _Dp >::get_deleter ( )

inlinenoexcept

Return a reference to the stored deleter.

Definition at line 467 of file unique_ptr.h.

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

◆ operator bool()

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR std::unique_ptr< _Tp, _Dp >::operator bool ( ) const

inlineexplicitnoexcept

Return true if the stored pointer is not null.

Definition at line 478 of file unique_ptr.h.

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

◆ operator*()

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR add_lvalue_reference< element_type >::type std::unique_ptr< _Tp, _Dp >::operator* ( ) const

inlinenoexcept

Dereference the stored pointer.

Definition at line 443 of file unique_ptr.h.

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

◆ operator->()

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR pointer std::unique_ptr< _Tp, _Dp >::operator-> ( ) const

inlinenoexcept

Return the stored pointer.

Definition at line 452 of file unique_ptr.h.

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

◆ operator=() [1/3]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR 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 432 of file unique_ptr.h.

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

◆ operator=() [2/3]

template<typename _Tp , typename _Dp = default_delete<_Tp>>

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 = default_delete<_Tp>>

template<typename _Up , typename _Ep >

_GLIBCXX23_CONSTEXPR 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 )

inlinenoexcept

Assignment from another type.

Parameters

__u	The object to transfer ownership from, which owns a convertible pointer to a non-array object.

Invokes the deleter if this object owns a pointer.

Definition at line 422 of file unique_ptr.h.

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

◆ release()

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR pointer std::unique_ptr< _Tp, _Dp >::release ( )

inlinenoexcept

Release ownership of any stored pointer.

Definition at line 486 of file unique_ptr.h.

◆ reset()

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR void std::unique_ptr< _Tp, _Dp >::reset ( pointer __p = pointer() )

inlinenoexcept

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 497 of file unique_ptr.h.

References std::move().

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

◆ swap()

template<typename _Tp , typename _Dp = default_delete<_Tp>>

_GLIBCXX23_CONSTEXPR void std::unique_ptr< _Tp, _Dp >::swap ( unique_ptr< _Tp, _Dp > & __u )

inlinenoexcept

Exchange the pointer and deleter with another object.

Definition at line 507 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

◆ deleter_type

◆ element_type

◆ pointer

Constructor & Destructor Documentation

◆ unique_ptr() [1/8]

◆ unique_ptr() [2/8]

◆ unique_ptr() [3/8]

◆ unique_ptr() [4/8]

◆ unique_ptr() [5/8]

◆ unique_ptr() [6/8]

◆ unique_ptr() [7/8]

◆ unique_ptr() [8/8]

◆ ~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]

◆ release()

◆ reset()

◆ swap()