std::allocator_traits< allocator< _Tp > > Struct Template Reference

Public Types
using	allocator_type = allocator< _Tp >
using	const_pointer = const _Tp *
using	const_void_pointer = const void *
using	difference_type = std::ptrdiff_t
using	is_always_equal = true_type
using	pointer = _Tp *
using	propagate_on_container_copy_assignment = false_type
using	propagate_on_container_move_assignment = true_type
using	propagate_on_container_swap = false_type
template<typename _Up >
using	rebind_alloc = allocator< _Up >
template<typename _Up >
using	rebind_traits = allocator_traits< allocator< _Up >>
using	size_type = std::size_t
using	value_type = _Tp
using	void_pointer = void *

Static Public Member Functions
static pointer	allocate (allocator_type &__a, size_type __n)
static pointer	allocate (allocator_type &__a, size_type __n, const_void_pointer __hint)
template<typename _Up , typename... _Args>
static void	construct (allocator_type &__a, _Up *__p, _Args &&...__args)
static void	deallocate (allocator_type &__a, pointer __p, size_type __n)
template<typename _Up >
static void	destroy (allocator_type &__a, _Up *__p)
static size_type	max_size (const allocator_type &__a) noexcept
static allocator_type	select_on_container_copy_construction (const allocator_type &__rhs)

Detailed Description

template<typename _Tp>
struct std::allocator_traits< allocator< _Tp > >

Partial specialization for std::allocator.

Definition at line 384 of file bits/alloc_traits.h.

Member Typedef Documentation

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::allocator_type = allocator<_Tp>

The allocator type.

Definition at line 387 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::const_pointer = const _Tp*

The allocator's const pointer type.

Definition at line 395 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::const_void_pointer = const void*

The allocator's const void pointer type.

Definition at line 401 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::difference_type = std::ptrdiff_t

The allocator's difference type.

Definition at line 404 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::is_always_equal = true_type

Whether all instances of the allocator type compare equal.

Definition at line 419 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::pointer = _Tp*

The allocator's pointer type.

Definition at line 392 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::propagate_on_container_copy_assignment = false_type

How the allocator is propagated on copy assignment.

Definition at line 410 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::propagate_on_container_move_assignment = true_type

How the allocator is propagated on move assignment.

Definition at line 413 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::propagate_on_container_swap = false_type

How the allocator is propagated on swap.

Definition at line 416 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::size_type = std::size_t

The allocator's size type.

Definition at line 407 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::value_type = _Tp

The allocated type.

Definition at line 389 of file bits/alloc_traits.h.

template<typename _Tp >

using std::allocator_traits< allocator< _Tp > >::void_pointer = void*

The allocator's void pointer type.

Definition at line 398 of file bits/alloc_traits.h.

Member Function Documentation

template<typename _Tp >

static pointer std::allocator_traits< allocator< _Tp > >::allocate ( allocator_type &  __a, size_type  __n  )

inlinestatic

Allocate memory.

Parameters

__a	An allocator.
__n	The number of objects to allocate space for.

Calls a.allocate(n)

Definition at line 435 of file bits/alloc_traits.h.

template<typename _Tp >

static pointer std::allocator_traits< allocator< _Tp > >::allocate ( allocator_type &  __a, size_type  __n, const_void_pointer  __hint  )

inlinestatic

Allocate memory.

Parameters

__a	An allocator.
__n	The number of objects to allocate space for.
__hint	Aid to locality.

Returns

Memory of suitable size and alignment for n objects of type value_type

Returns a.allocate(n, hint)

Definition at line 449 of file bits/alloc_traits.h.

template<typename _Tp >

template<typename _Up , typename... _Args>

static void std::allocator_traits< allocator< _Tp > >::construct ( allocator_type &  __a, _Up *  __p, _Args &&...  __args  )

inlinestatic

Construct an object of type _Up.

Parameters

__a	An allocator.
__p	Pointer to memory of suitable size and alignment for Tp
__args	Constructor arguments.

Calls __a.construct(__p, std::forward<Args>(__args)...)

Definition at line 474 of file bits/alloc_traits.h.

template<typename _Tp >

static void std::allocator_traits< allocator< _Tp > >::deallocate ( allocator_type &  __a, pointer  __p, size_type  __n  )

inlinestatic

Deallocate memory.

Parameters

__a	An allocator.
__p	Pointer to the memory to deallocate.
__n	The number of objects space was allocated for.

Calls a.deallocate(p, n)

Definition at line 461 of file bits/alloc_traits.h.

template<typename _Tp >

template<typename _Up >

static void std::allocator_traits< allocator< _Tp > >::destroy ( allocator_type &  __a, _Up *  __p  )

inlinestatic

Destroy an object of type _Up.

Parameters

__a	An allocator.
__p	Pointer to the object to destroy

Calls __a.destroy(__p).

Definition at line 486 of file bits/alloc_traits.h.

template<typename _Tp >

static size_type std::allocator_traits< allocator< _Tp > >::max_size ( const allocator_type &  __a )

inlinestaticnoexcept

The maximum supported allocation size.

Parameters

__a	An allocator.

Returns

__a.max_size()

Definition at line 495 of file bits/alloc_traits.h.

template<typename _Tp >

static allocator_type std::allocator_traits< allocator< _Tp > >::select_on_container_copy_construction ( const allocator_type &  __rhs )

inlinestatic

Obtain an allocator to use when copying a container.

Parameters

__rhs

An allocator.

Returns

__rhs

Definition at line 504 of file bits/alloc_traits.h.

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

• bits/alloc_traits.h