| __gnu_cxx::__alloc_traits< _Alloc, typename >(3cxx) | __gnu_cxx::__alloc_traits< _Alloc, typename >(3cxx) |
__gnu_cxx::__alloc_traits< _Alloc, typename > - Uniform interface to C++98 and C++11 allocators.
Inherits std::allocator_traits< _Alloc >.
typedef std::allocator_traits< _Alloc >
_Base_type
typedef _Alloc allocator_type
typedef _Base_type::const_pointer const_pointer
typedef const value_type & const_reference
using const_void_pointer = typename _Ptr< __cv_pointer, const void
>::type
The allocator's const void pointer type. typedef
_Base_type::difference_type difference_type
using is_always_equal = __detected_or_t< typename is_empty<
_Alloc >::type, __equal, _Alloc >
Whether all instances of the allocator type compare equal. typedef
_Base_type::pointer pointer
using propagate_on_container_copy_assignment = __detected_or_t<
false_type, __pocca, _Alloc >
How the allocator is propagated on copy assignment. using
propagate_on_container_move_assignment = __detected_or_t<
false_type, __pocma, _Alloc >
How the allocator is propagated on move assignment. using
propagate_on_container_swap = __detected_or_t< false_type, __pocs,
_Alloc >
How the allocator is propagated on swap. template<typename _Tp > using
rebind_alloc = __alloc_rebind< _Alloc, _Tp >
template<typename _Tp > using rebind_traits =
allocator_traits< rebind_alloc< _Tp > >
typedef value_type & reference
typedef _Base_type::size_type size_type
typedef _Base_type::value_type value_type
using void_pointer = typename _Ptr< __v_pointer, void >::type
The allocator's void pointer type.
static constexpr bool _S_always_equal ()
static constexpr bool _S_nothrow_move ()
static void _S_on_swap (_Alloc &__a, _Alloc &__b)
static constexpr bool _S_propagate_on_copy_assign ()
static constexpr bool _S_propagate_on_move_assign ()
static constexpr bool _S_propagate_on_swap ()
static _Alloc _S_select_on_copy (const _Alloc &__a)
static _GLIBCXX_NODISCARD pointer allocate (_Alloc &__a,
size_type __n)
Allocate memory. static _GLIBCXX_NODISCARD pointer allocate
(_Alloc &__a, size_type __n)
Allocate memory. static _GLIBCXX_NODISCARD pointer allocate
(_Alloc &__a, size_type __n, const_void_pointer __hint)
Allocate memory. static _GLIBCXX_NODISCARD pointer allocate
(_Alloc &__a, size_type __n, const_void_pointer __hint)
Allocate memory. template<typename _Ptr , typename... _Args> static
std::enable_if< __is_custom_pointer< _Ptr >::value
>::type construct (_Alloc &__a, _Ptr __p, _Args &&...
__args) noexcept(noexcept(_Base_type::construct(__a, std::__to_address(__p),
std::forward< _Args >(__args)...)))
template<typename _Tp , typename... _Args> static auto construct
(_Alloc &__a, _Tp *__p, _Args &&... __args)
noexcept(noexcept(_S_construct(__a, __p, std::forward< _Args
>(__args)...))) -> decltype(_S_construct(__a, __p,
std::forward< _Args >(__args)...))
Construct an object of type _Tp. template<typename _Tp , typename...
_Args> static auto construct (_Alloc &__a, _Tp *__p, _Args
&&... __args) noexcept(noexcept(_S_construct(__a, __p,
std::forward< _Args >(__args)...))) ->
decltype(_S_construct(__a, __p, std::forward< _Args
>(__args)...))
Construct an object of type _Tp. static void deallocate (_Alloc
&__a, pointer __p, size_type __n)
Deallocate memory. static void deallocate (_Alloc &__a,
pointer __p, size_type __n)
Deallocate memory. template<typename _Ptr > static
std::enable_if< __is_custom_pointer< _Ptr >::value
>::type destroy (_Alloc &__a, _Ptr __p)
noexcept(noexcept(_Base_type::destroy(__a, std::__to_address(__p))))
template<typename _Tp > static void destroy (_Alloc &__a, _Tp
*__p) noexcept(noexcept(_S_destroy(__a, __p, 0)))
Destroy an object of type _Tp. template<typename _Tp > static
void destroy (_Alloc &__a, _Tp *__p)
noexcept(noexcept(_S_destroy(__a, __p, 0)))
Destroy an object of type _Tp. static size_type max_size
(const _Alloc &__a) noexcept
The maximum supported allocation size. static size_type max_size
(const _Alloc &__a) noexcept
The maximum supported allocation size. static _Alloc
select_on_container_copy_construction (const _Alloc &__rhs)
Obtain an allocator to use when copying a container.
template<typename _Tp > using __c_pointer = typename
_Tp::const_pointer
template<typename _Tp > using __cv_pointer = typename
_Tp::const_void_pointer
template<typename _Tp > using __equal = typename
_Tp::is_always_equal
template<typename _Tp > using __pocca = typename
_Tp::propagate_on_container_copy_assignment
template<typename _Tp > using __pocma = typename
_Tp::propagate_on_container_move_assignment
template<typename _Tp > using __pocs = typename
_Tp::propagate_on_container_swap
template<typename _Tp > using __pointer = typename _Tp::pointer
template<typename _Tp > using __v_pointer = typename
_Tp::void_pointer
struct __gnu_cxx::__alloc_traits< _Alloc, typename >" Uniform interface to C++98 and C++11 allocators.
Definition at line 50 of file ext/alloc_traits.h.
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 151 of file bits/alloc_traits.h.
Whether all instances of the allocator type compare equal. Alloc::is_always_equal if that type exists, otherwise is_empty<Alloc>::type
Definition at line 202 of file bits/alloc_traits.h.
How the allocator is propagated on copy assignment. Alloc::propagate_on_container_copy_assignment if that type exists, otherwise false_type
Definition at line 175 of file bits/alloc_traits.h.
How the allocator is propagated on move assignment. Alloc::propagate_on_container_move_assignment if that type exists, otherwise false_type
Definition at line 184 of file bits/alloc_traits.h.
How the allocator is propagated on swap. Alloc::propagate_on_container_swap if that type exists, otherwise false_type
Definition at line 193 of file bits/alloc_traits.h.
The allocator's void pointer type. Alloc::void_pointer if that type exists, otherwise pointer_traits<pointer>::rebind<void>
Definition at line 143 of file bits/alloc_traits.h.
Allocate memory.
Parameters
Calls a.allocate(n)
Definition at line 304 of file bits/alloc_traits.h.
Referenced by std::__allocate_guarded().
Allocate memory.
Parameters
Calls a.allocate(n)
Definition at line 304 of file bits/alloc_traits.h.
Allocate memory.
Parameters
Returns
Returns a.allocate(n, hint) if that expression is well-formed, otherwise returns a.allocate(n)
Definition at line 319 of file bits/alloc_traits.h.
Allocate memory.
Parameters
Returns
Returns a.allocate(n, hint) if that expression is well-formed, otherwise returns a.allocate(n)
Definition at line 319 of file bits/alloc_traits.h.
[inline], [static], [noexcept], [inherited]"
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 346 of file bits/alloc_traits.h.
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 346 of file bits/alloc_traits.h.
Deallocate memory.
Parameters
Calls a.deallocate(p, n)
Definition at line 331 of file bits/alloc_traits.h.
Referenced by std::__allocated_ptr< _Alloc >::~__allocated_ptr().
Deallocate memory.
Parameters
Calls a.deallocate(p, n)
Definition at line 331 of file bits/alloc_traits.h.
Destroy an object of type _Tp.
Parameters
Calls __a.destroy(__p) if that expression is well-formed, otherwise calls __p->~_Tp()
Definition at line 361 of file bits/alloc_traits.h.
Destroy an object of type _Tp.
Parameters
Calls __a.destroy(__p) if that expression is well-formed, otherwise calls __p->~_Tp()
Definition at line 361 of file bits/alloc_traits.h.
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 373 of file bits/alloc_traits.h.
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 373 of file bits/alloc_traits.h.
Referenced by std::forward_list< _Tp, _Alloc >::max_size(), and std::list< _Tp, _Alloc >::max_size().
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 385 of file bits/alloc_traits.h.
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| Sun Feb 7 2021 | libstdc++ |