NAME¶

std::allocator_traits< _Alloc > -

SYNOPSIS¶

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) static _Alloc select_on_container_copy_construction (const _Alloc &__rhs)

Detailed Description¶

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

Uniform interface to all allocator types. Definition at line 85 of file bits/alloc_traits.h.

Member Typedef Documentation¶

template<typename _Alloc> typedef _Alloc std::allocator_traits< _Alloc >::allocator_type¶

The allocator type. Definition at line 88 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __const_pointer std::allocator_traits< _Alloc >:: const_pointer¶

The allocator's const pointer type. Alloc::const_pointer if that type exists, otherwise pointer_traits<pointer>::rebind<const value_type> Definition at line 118 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __const_void_pointer std::allocator_traits< _Alloc >:: const_void_pointer¶

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 140 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __difference_type std::allocator_traits< _Alloc >:: difference_type¶

The allocator's difference type. Alloc::difference_type if that type exists, otherwise pointer_traits<pointer>::difference_type Definition at line 151 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __pointer std::allocator_traits< _Alloc >::pointer¶

The allocator's pointer type. Alloc::pointer if that type exists, otherwise value_type* Definition at line 107 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __propagate_on_container_copy_assignment std::allocator_traits< _Alloc >:: propagate_on_container_copy_assignment¶

How the allocator is propagated on copy assignment. Alloc::propagate_on_container_copy_assignment if that type exists, otherwise false_type Definition at line 174 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __propagate_on_container_move_assignment std::allocator_traits< _Alloc >:: propagate_on_container_move_assignment¶

How the allocator is propagated on move assignment. Alloc::propagate_on_container_move_assignment if that type exists, otherwise false_type Definition at line 186 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __propagate_on_container_swap std::allocator_traits< _Alloc >:: propagate_on_container_swap¶

How the allocator is propagated on swap. Alloc::propagate_on_container_swap if that type exists, otherwise false_type Definition at line 197 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __size_type std::allocator_traits< _Alloc >::size_type¶

The allocator's size type. Alloc::size_type if that type exists, otherwise make_unsigned<difference_type>::type Definition at line 162 of file bits/alloc_traits.h.

template<typename _Alloc> typedef _Alloc::value_type std::allocator_traits< _Alloc >:: value_type¶

The allocated type. Definition at line 90 of file bits/alloc_traits.h.

template<typename _Alloc> typedef __void_pointer std::allocator_traits< _Alloc >:: void_pointer¶

The allocator's void pointer type. Alloc::void_pointer if that type exists, otherwise pointer_traits<pointer>::rebind<void> Definition at line 129 of file bits/alloc_traits.h.

Member Function Documentation¶

template<typename _Alloc> static pointer std::allocator_traits< _Alloc >::allocate (_Alloc &__a, size_type__n) [inline], [static]¶

Allocate memory. Parameters: Calls a.allocate(n) Definition at line 350 of file bits/alloc_traits.h.

template<typename _Alloc> static pointer std::allocator_traits< _Alloc >::allocate (_Alloc &__a, size_type__n, const_void_pointer__hint) [inline], [static]¶

Allocate memory. Parameters: Returns: Returns a.allocate(n, hint) if that expression is well-formed, otherwise returns a.allocate(n) Definition at line 365 of file bits/alloc_traits.h.

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

[inline], [static]" Construct an object of type _Tp. Parameters: 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 391 of file bits/alloc_traits.h.

template<typename _Alloc> static void std::allocator_traits< _Alloc >::deallocate (_Alloc &__a, pointer__p, size_type__n) [inline], [static]¶

Deallocate memory. Parameters: Calls a.deallocate(p, n) Definition at line 376 of file bits/alloc_traits.h.

template<typename _Alloc> template<class _Tp > static void std::allocator_traits< _Alloc >::destroy (_Alloc &__a, _Tp *__p) [inline], [static]¶

Destroy an object of type _Tp. Parameters: Calls __a.destroy(__p) if that expression is well-formed, otherwise calls __p->~_Tp() Definition at line 404 of file bits/alloc_traits.h.

template<typename _Alloc> static size_type std::allocator_traits< _Alloc >::max_size (const _Alloc &__a) [inline], [static]¶

The maximum supported allocation size. Parameters: Returns: Returns __a.max_size() if that expression is well-formed, otherwise returns numeric_limits<size_type>::max() Definition at line 415 of file bits/alloc_traits.h. Referenced by std::forward_list< _Tp, _Alloc >::max_size().

template<typename _Alloc> static _Alloc std::allocator_traits< _Alloc >::select_on_container_copy_construction (const _Alloc &__rhs) [inline], [static]¶

Obtain an allocator to use when copying a container. Parameters: Returns: Returns __rhs.select_on_container_copy_construction() if that expression is well-formed, otherwise returns __rhs Definition at line 427 of file bits/alloc_traits.h.

Author¶

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