allocate() [2/2]

template<typename _Alloc>

constexpr pointer std::allocator_traits< _Alloc >::allocate ( _Alloc & __a, size_type __n, const_void_pointer __hint )

inlinestaticnodiscardconstexpr

Allocate memory.

Parameters

__a	An allocator.
__n	The number of objects to allocate space for.
__hint	Aid to locality.

Returns

Memory of suitable size and alignment for n objects of type value_type

Returns a.allocate(n, hint) if that expression is well-formed, otherwise returns a.allocate(n)

Definition at line 395 of file bits/alloc_traits.h.

      {
      if constexpr (__has_allocate_hint<_Alloc, size_type, const_void_pointer>)