table of contents
std::__new_allocator< _Tp >(3cxx) | std::__new_allocator< _Tp >(3cxx) |
NAME¶
std::__new_allocator< _Tp > - An allocator that uses global new, as per C++03 [20.4.1].
SYNOPSIS¶
#include <memory>
Inherited by std::allocator< value_type >, __gnu_cxx::new_allocator< _Tp >, and std::allocator< _Tp >.
Public Types¶
typedef std::ptrdiff_t difference_type
typedef std::true_type propagate_on_container_move_assignment
typedef std::size_t size_type
typedef _Tp value_type
Public Member Functions¶
constexpr __new_allocator (const __new_allocator
&) noexcept
template<typename _Tp1 > constexpr __new_allocator (const
__new_allocator< _Tp1 > &) noexcept
_Tp * allocate (size_type __n, const void *=static_cast< const void
* >(0))
void deallocate (_Tp *__p, size_type __n)
Friends¶
template<typename _Up > constexpr bool operator==
(const __new_allocator &, const __new_allocator< _Up
> &) noexcept
Detailed Description¶
template<typename _Tp>¶
class std::__new_allocator< _Tp >"An allocator that uses global new, as per C++03 [20.4.1].
This is precisely the allocator defined in the C++ Standard.
- all allocation calls operator new
- all deallocation calls operator delete
This is the default base-class implementation of std::allocator, and is also the base-class of the __gnu_cxx::new_allocator extension. You should use either std::allocator or __gnu_cxx::new_allocator instead of using this directly.
Template Parameters
Author¶
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Sat Jun 17 2023 | libstdc++ |