Module B00_std.Rqueue

Random queue

type 'a t

The type for random queues with elements of type 'a.

val empty : ?rand:Stdlib.Random.State.t -> unit -> 'a t

emtpy ~rand () is an empty random queue using rand as random state (defaults to Random.State.make_self_init).

val add : 'a t -> 'a -> unit

add q v adds v to the queue.

val take : 'a t -> 'a option

take q removes and returns a random element in q (if any).

val length : 'a t -> int

length q is the number of elements in q.