You can search for identifiers within the package.
in-package search v0.2.0
val let* : 'a t -> ('a -> 'b t) -> 'b t
val let+ : 'a t -> ('a -> 'b) -> 'b t
val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
val (>|=) : 'a t -> ('a -> 'b) -> 'b t