module CCThread:sig..end
    status: unstable
Since 0.13
typet =Thread.t
val spawn : (unit -> 'a) -> tspawn f creates a new thread that runs f ()val spawn1 : ('a -> 'b) -> 'a -> tspawn1 f x is like spawn (fun () -> f x).val spawn2 : ('a -> 'b -> 'c) -> 'a -> 'b -> tspawn2 f x y is like spawn (fun () -> f x y).val detach : (unit -> 'a) -> unitdetach f is the same as ignore (spawn f)module Arr:sig..end
module Barrier:sig..end