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23 lines
749 B
OCaml
23 lines
749 B
OCaml
(** Basic Blocking Queue *)
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type 'a t
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val create : unit -> _ t
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exception Closed
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val push : 'a t -> 'a -> unit
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(** [push q x] pushes [x] into [q], and returns [()].
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@raise Closed if [close q] was previously called.*)
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val pop : 'a t -> 'a
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(** [pop q] pops the next element in [q]. It might block until an element comes.
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@raise Closed if the queue was closed before a new element was available. *)
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val pop_all : 'a t -> 'a Queue.t -> unit
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(** [pop_all q into] pops all the elements of [q] and moves them into [into]. It
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might block until an element comes.
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@raise Closed if the queue was closed before a new element was available. *)
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val close : _ t -> unit
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(** Close the queue, meaning there won't be any more [push] allowed. *)
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