std::__new_allocator - Man Page

An allocator that uses global new, as per C++03 [20.4.1].

Synopsis

#include <new_allocator.h>

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

Template Parameters

_Tp Type of allocated object.

Definition at line 56 of file bits/new_allocator.h.

Member Typedef Documentation

template<typename _Tp > typedef std::ptrdiff_t std::__new_allocator< _Tp >::difference_type

Definition at line 61 of file bits/new_allocator.h.

template<typename _Tp > typedef std::true_type std::__new_allocator< _Tp >::propagate_on_container_move_assignment

Definition at line 76 of file bits/new_allocator.h.

template<typename _Tp > typedef std::size_t std::__new_allocator< _Tp >::size_type

Definition at line 60 of file bits/new_allocator.h.

template<typename _Tp > typedef _Tp std::__new_allocator< _Tp >::value_type

Definition at line 59 of file bits/new_allocator.h.

Constructor & Destructor Documentation

template<typename _Tp > constexpr std::__new_allocator< _Tp >::__new_allocator () [inline], [constexpr], [noexcept]

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

template<typename _Tp > constexpr std::__new_allocator< _Tp >::__new_allocator (const __new_allocator< _Tp > &) [inline], [constexpr], [noexcept]

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

template<typename _Tp > template<typename _Tp1 > constexpr std::__new_allocator< _Tp >::__new_allocator (const __new_allocator< _Tp1 > &) [inline], [constexpr], [noexcept]

Definition at line 87 of file bits/new_allocator.h.

Member Function Documentation

template<typename _Tp > _Tp * std::__new_allocator< _Tp >::allocate (size_type __n, const void * = static_cast<const void*>(0)) [inline]

Definition at line 112 of file bits/new_allocator.h.

template<typename _Tp > void std::__new_allocator< _Tp >::deallocate (_Tp * __p, size_type __n) [inline]

Definition at line 142 of file bits/new_allocator.h.

Author

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Info

Wed Sep 7 2022 libstdc++