You can search for identifiers within the package.
in-package search v0.2.0
type 'a t = 'a option
val return : 'a -> 'a t
val bind : 'a t -> ('a -> 'b t) -> 'b t
val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
val (>|=) : 'a t -> ('a -> 'b) -> 'b t
val map : ('a -> 'b) -> 'a t -> 'b t
val sequence : 'a t list -> 'a list t
val sequence_ : 'a t list -> unit t
val mapM : ('a -> 'b t) -> 'a list -> 'b list t
val mapM_ : ('a -> 'b t) -> 'a list -> unit t
val foldM : ('a -> 'b -> 'a t) -> 'a -> 'b list -> 'a t