std::__new_allocator - Man Page

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


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)


template<typename _Up > constexpr friend 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.


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Tue Jan 18 2022 libstdc++