std::experimental::pmr::memory_resource:: allocate

From cppreference.com
void * allocate ( std:: size_t bytes, std:: size_t alignment = alignof ( std:: max_align_t ) ) ;
(library fundamentals TS)

Allocates storage with a size of at least bytes bytes. The returned storage is aligned to the specified alignment if such alignment is supported, and to alignof ( std:: max_align_t ) otherwise.

Equivalent to return do_allocate ( bytes, alignment ) ; .

Exceptions

Throws an exception if storage of the requested size and alignment cannot be obtained.

See also

[virtual]
allocates memory
(virtual protected member function)