std::experimental::pmr::memory_resource::do_allocate
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                    < cpp | experimental | memory resource
                    
                                                            
                    |   virtual void* do_allocate( std::size_t bytes, std::size_t alignment ) = 0;  | 
(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.
alignment shall be a power of two.
Exceptions
Throws an exception if storage of the requested size and alignment cannot be obtained.
See also
|   allocates memory  (public member function)  |