cl-speedy-queue is a portable, non-consing, optimized queue implementation. It was originally written by Adlai Chandrasekhar for use in ChanL.

[function] make-queue size

Creates a new queue of SIZE.

[function] enqueue object queue

Enqueues OBJECT in QUEUE.

[function] dequeue queue

Dequeues QUEUE.

[function] queue-count queue

Returns the current size of QUEUE.

[function] queue-length queue

Returns the maximum size of QUEUE.

[function] queue-peek queue

Returns the next item that would be dequeued without dequeueing it.

[function] queue-full-p queue

Returns NIL if more items can be enqueued.

[function] queue-empty-p queue

Returns NIL if there are still items in the queue.