W3cubDocs

/C++

std::scoped_allocator_adaptor::allocate

Defined in header <scoped_allocator> 
pointer allocate( size_type n );
 (1) (since C++11) 
pointer allocate( size_type n, const_void_pointer hint );
 (2) (since C++11)

Uses the outer allocator to allocate uninitialized storage.

1) Calls std::allocator_traits<OuterAlloc>::allocate(outer_allocator(), n)
2) Additionally provides memory locality hint, by calling std::allocator_traits<OuterAlloc>::allocate(outer_allocator(), n, hint)

Parameters

n - the number of objects to allocate storage for
hint - pointer to a nearby memory location

Return value

The pointer to the allocated storage.

See also

allocates uninitialized storage
(public member function of std::allocator)
[static]
 allocates uninitialized storage using the allocator
(public static member function of std::allocator_traits)

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/memory/scoped_allocator_adaptor/allocate