module type THREAD =sig
..end
type 'a
t
val return : 'a -> 'a t
val bind : 'a t ->
('a -> 'b t) -> 'b t
val fail : exn -> 'a t
val catch : (unit -> 'a t) ->
(exn -> 'a t) -> 'a t
val finalize : (unit -> 'a t) ->
(unit -> unit t) ->
'a t
val sleep : float -> unit t
val auto_yield : float -> unit -> unit t