std::allocator_traits (3cxx)

Inherited by __gnu_cxx::__alloc_traits< _Alloc >.

Public Types

typedef _Alloc allocator_type

typedef __const_pointer const_pointer

typedef __const_void_pointer const_void_pointer

typedef __difference_type difference_type

typedef __pointer pointer

typedef

__propagate_on_container_copy_assignment propagate_on_container_copy_assignment"

typedef

__propagate_on_container_move_assignment propagate_on_container_move_assignment"

typedef

__propagate_on_container_swap propagate_on_container_swap"

template<typename _Tp > using rebind_alloc = typename __alloctr_rebind< _Alloc, _Tp >::__type

template<typename _Tp > using rebind_traits = allocator_traits< rebind_alloc< _Tp >>

typedef __size_type size_type

typedef _Alloc::value_type value_type

typedef __void_pointer void_pointer

Static Public Member Functions

static pointer allocate (_Alloc &__a, size_type __n)

static pointer allocate (_Alloc &__a, size_type __n, const_void_pointer __hint)

template<typename _Tp , typename... _Args> static auto construct (_Alloc &__a, _Tp *__p, _Args &&...__args) -> decltype(_S_construct(__a, __p, std::forward< _Args >(__args)...))

static void deallocate (_Alloc &__a, pointer __p, size_type __n)

template<class _Tp > static void destroy (_Alloc &__a, _Tp *__p)

static size_type max_size (const _Alloc &__a) noexcept

static _Alloc select_on_container_copy_construction (const _Alloc &__rhs)

template<typename _Alloc>struct std::allocator_traits< _Alloc >

Uniform interface to all allocator types.

Definition at line 80 of file bits/alloc_traits.h.

template<typename _Alloc> typedef _Alloc \fBstd::allocator_traits\fP< _Alloc >::\fBallocator_type\fP

The allocator type.

Definition at line 83 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __const_pointer \fBstd::allocator_traits\fP< _Alloc >::\fBconst_pointer\fP

The allocator's const pointer type. Alloc::const_pointer if that type exists, otherwise pointer_traits<pointer>::rebind<const value_type>

Definition at line 113 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __const_void_pointer \fBstd::allocator_traits\fP< _Alloc >::\fBconst_void_pointer\fP

The allocator's const void pointer type. Alloc::const_void_pointer if that type exists, otherwise pointer_traits<pointer>::rebind<const void>

Definition at line 135 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __difference_type \fBstd::allocator_traits\fP< _Alloc >::\fBdifference_type\fP

The allocator's difference type. Alloc::difference_type if that type exists, otherwise pointer_traits<pointer>::difference_type

Definition at line 146 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __pointer \fBstd::allocator_traits\fP< _Alloc >::\fBpointer\fP

The allocator's pointer type. Alloc::pointer if that type exists, otherwise value_type*

Definition at line 102 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __propagate_on_container_copy_assignment \fBstd::allocator_traits\fP< _Alloc >::\fBpropagate_on_container_copy_assignment\fP

How the allocator is propagated on copy assignment. Alloc::propagate_on_container_copy_assignment if that type exists, otherwise false_type

Definition at line 169 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __propagate_on_container_move_assignment \fBstd::allocator_traits\fP< _Alloc >::\fBpropagate_on_container_move_assignment\fP

How the allocator is propagated on move assignment. Alloc::propagate_on_container_move_assignment if that type exists, otherwise false_type

Definition at line 181 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __propagate_on_container_swap \fBstd::allocator_traits\fP< _Alloc >::\fBpropagate_on_container_swap\fP

How the allocator is propagated on swap. Alloc::propagate_on_container_swap if that type exists, otherwise false_type

Definition at line 192 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __size_type \fBstd::allocator_traits\fP< _Alloc >::\fBsize_type\fP

The allocator's size type. Alloc::size_type if that type exists, otherwise make_unsigned<difference_type>::type

Definition at line 157 of file bits/alloc_traits.h.

template<typename _Alloc> typedef _Alloc::value_type \fBstd::allocator_traits\fP< _Alloc >::\fBvalue_type\fP

The allocated type.

Definition at line 85 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __void_pointer \fBstd::allocator_traits\fP< _Alloc >::\fBvoid_pointer\fP

The allocator's void pointer type. Alloc::void_pointer if that type exists, otherwise pointer_traits<pointer>::rebind<void>

Definition at line 124 of file bits/alloc_traits.h.

template<typename _Alloc> static \fBpointer\fP \fBstd::allocator_traits\fP< _Alloc >::allocate (_Alloc &__a, \fBsize_type\fP__n)\fC [inline]\fP, \fC [static]\fP

Allocate memory.

Parameters:

__a An allocator.

__n The number of objects to allocate space for.

Calls a.allocate(n)

Definition at line 356 of file bits/alloc_traits.h.

template<typename _Alloc> static \fBpointer\fP \fBstd::allocator_traits\fP< _Alloc >::allocate (_Alloc &__a, \fBsize_type\fP__n, \fBconst_void_pointer\fP__hint)\fC [inline]\fP, \fC [static]\fP

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) if that expression is well-formed, otherwise returns a.allocate(n)

Definition at line 371 of file bits/alloc_traits.h.

template<typename _Alloc> template<typename _Tp , typename... _Args> static auto \fBstd::allocator_traits\fP< _Alloc >::construct (_Alloc &__a, _Tp *__p, _Args &&...__args) -> decltype(_S_construct(__a, __p, \fBstd::forward\fP<_Args>(__args)...))

[inline], [static]"

Construct an object of type _Tp.

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)...) if that expression is well-formed, otherwise uses placement-new to construct an object of type _Tp at location __p from the arguments __args...

Definition at line 397 of file bits/alloc_traits.h.

template<typename _Alloc> static void \fBstd::allocator_traits\fP< _Alloc >::deallocate (_Alloc &__a, \fBpointer\fP__p, \fBsize_type\fP__n)\fC [inline]\fP, \fC [static]\fP

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 382 of file bits/alloc_traits.h.

template<typename _Alloc> template<class _Tp > static void \fBstd::allocator_traits\fP< _Alloc >::destroy (_Alloc &__a, _Tp *__p)\fC [inline]\fP, \fC [static]\fP

Destroy an object of type _Tp.

Parameters:

__a An allocator.

__p Pointer to the object to destroy

Calls __a.destroy(__p) if that expression is well-formed, otherwise calls __p->~_Tp()

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

template<typename _Alloc> static \fBsize_type\fP \fBstd::allocator_traits\fP< _Alloc >::max_size (const _Alloc &__a)\fC [inline]\fP, \fC [static]\fP, \fC [noexcept]\fP

The maximum supported allocation size.

Parameters:

__a An allocator.

Returns:

__a.max_size() or numeric_limits<size_type>::max()

Returns __a.max_size() if that expression is well-formed, otherwise returns numeric_limits<size_type>::max()

Definition at line 421 of file bits/alloc_traits.h.

Referenced by std::forward_list< _Tp, _Alloc >::max_size().

template<typename _Alloc> static _Alloc \fBstd::allocator_traits\fP< _Alloc >::select_on_container_copy_construction (const _Alloc &__rhs)\fC [inline]\fP, \fC [static]\fP

Obtain an allocator to use when copying a container.

Parameters:

__rhs An allocator.

Returns:

__rhs.select_on_container_copy_construction() or __rhs

Returns __rhs.select_on_container_copy_construction() if that expression is well-formed, otherwise returns __rhs

Definition at line 433 of file bits/alloc_traits.h.

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