Pushes an element into the queue and returns a slice to that element. The value of the element must then be copied to the sliced location before the next push() or pop() is called.
slice to the element pushed into the queue or null if the queue is full.
See Implementation
Pushes an element into the queue and returns a slice to that element. The value of the element must then be copied to the sliced location before the next push() or pop() is called.