std::experimental::pmr::memory_resource::do_allocate
Min standard notice:
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.
# Declarations
virtual void* do_allocate( std::size_t bytes, std::size_t alignment ) = 0;
(library fundamentals TS)