std::allocator< _Tp >(3cxx) | std::allocator< _Tp >(3cxx) |
NAME¶
std::allocator< _Tp > - The standard allocator, as per C++03 [20.4.1].
SYNOPSIS¶
#include <memory>
Inherits std::__new_allocator< _Tp >.
Public Types¶
typedef ptrdiff_t difference_type
using is_always_equal = true_type
using propagate_on_container_move_assignment = true_type
typedef size_t size_type
typedef _Tp value_type
Public Member Functions¶
constexpr allocator (const allocator &__a)
noexcept
template<typename _Tp1 > constexpr allocator (const
allocator< _Tp1 > &) noexcept
constexpr _Tp * allocate (size_t __n)
_Tp * allocate (size_type __n, const void *=static_cast< const void
* >(0))
constexpr void deallocate (_Tp *__p, size_t __n)
allocator & operator= (const allocator &)=default
Friends¶
constexpr bool operator== (const allocator &,
const allocator &) noexcept
Detailed Description¶
template<typename _Tp>¶
class std::allocator< _Tp >"The standard allocator, as per C++03 [20.4.1].
See https://gcc.gnu.org/onlinedocs/libstdc++/manual/memory.html#std.util.memory.allocator for further details.
Template Parameters
Definition at line 124 of file memory.
Member Typedef Documentation¶
template<typename _Tp > typedef ptrdiff_t std::allocator< _Tp >::difference_type¶
Definition at line 129 of file memory.
template<typename _Tp > using std::allocator< _Tp >::is_always_equal = true_type¶
Definition at line 148 of file memory.
template<typename _Tp > using std::allocator< _Tp >::propagate_on_container_move_assignment = true_type¶
Definition at line 146 of file memory.
template<typename _Tp > typedef size_t std::allocator< _Tp >::size_type¶
Definition at line 128 of file memory.
template<typename _Tp > typedef _Tp std::allocator< _Tp >::value_type¶
Definition at line 127 of file memory.
Constructor & Destructor Documentation¶
template<typename _Tp > constexpr std::allocator< _Tp >::allocator () [inline], [constexpr], [noexcept]¶
Definition at line 156 of file memory.
template<typename _Tp > constexpr std::allocator< _Tp >::allocator (const allocator< _Tp > & __a) [inline], [constexpr], [noexcept]¶
Definition at line 159 of file memory.
template<typename _Tp > template<typename _Tp1 > constexpr std::allocator< _Tp >::allocator (const allocator< _Tp1 > &) [inline], [constexpr], [noexcept]¶
Definition at line 169 of file memory.
template<typename _Tp > constexpr std::allocator< _Tp >::~allocator () [inline], [constexpr], [noexcept]¶
Definition at line 174 of file memory.
Member Function Documentation¶
template<typename _Tp > constexpr _Tp * std::allocator< _Tp >::allocate (size_t __n) [inline], [constexpr]¶
Definition at line 179 of file memory.
template<typename _Tp > _Tp * std::__new_allocator< _Tp >::allocate (size_type __n, const void * = static_cast<const void*>(0)) [inline], [inherited]¶
Definition at line 112 of file bits/new_memory.
template<typename _Tp > constexpr void std::allocator< _Tp >::deallocate (_Tp * __p, size_t __n) [inline], [constexpr]¶
Definition at line 193 of file memory.
Friends And Related Function Documentation¶
template<typename _Tp > constexpr bool operator== (const allocator< _Tp > &, const allocator< _Tp > &) [friend]¶
Definition at line 205 of file memory.
Author¶
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Sun Jan 8 2023 | libstdc++ |