You can search for identifiers within the package.
in-package search v0.2.0
type +'a t
module Mutex : sig ... end
module Condition : sig ... end
val bind : 'a t -> ('a -> 'b t) -> 'b t
val return : 'a -> 'a t
val detach : (unit -> 'a) -> 'a t
val parallel_map : f:('a -> 'b t) -> 'a list -> 'b list t
val parallel_iter : f:('a -> unit t) -> 'a list -> unit t