struct DefaultAllocatorTraits

Allocate receives a request for "size" contiguous bytes.

size will always be greater than zero.

The return value must be "nullptr" on error, or a non-null

pointer on success. This same pointer may later be passed

to deallocate when resizing.

Allocate receives a request for "size" contiguous bytes.

size will always be greater than zero.

The return value must be "nullptr" on error, or a non-null

pointer on success. This same pointer may later be passed

to deallocate when resizing.

Allocate receives a request for "size" contiguous bytes.

size will always be greater than zero.

The return value must be "nullptr" on error, or a non-null

pointer on success. This same pointer may later be passed

to deallocate when resizing.

Deallocate receives a pointer to an object which is

1) Either a pointer provided by Allocate, or

2) nullptr.

If the pointer is not null, deallocate must free

the underlying memory used by the object.