Reserves space for an element of the size T.sizeof at the queue and returns a pointer to it. The value of the element must then be copied to the location pointed to before calling push() or pop() the next time.
pointer to the element pushed into the queue or null if the queue is full.
See Implementation
Reserves space for an element of the size T.sizeof at the queue and returns a pointer to it. The value of the element must then be copied to the location pointed to before calling push() or pop() the next time.