std::experimental::pmr::polymorphic_allocator<T>:: allocate

From cppreference.com
T * allocate ( std:: size_t n ) ;
(library fundamentals TS)

Allocates storage for n objects of type T using the underlying memory resource. Equivalent to

return static_cast < T * > ( this - > resource ( ) - > allocate ( n * sizeof ( T ) , alignof ( T ) ) ) ; .

Parameters

n - the number of objects to allocate storage for

Return value

A pointer to the allocated storage.

See also

[static]
allocates uninitialized storage using the allocator
(public static member function of std::allocator_traits<Alloc> )
deallocates memory
(public member function of std::experimental::pmr::memory_resource )