You can search for identifiers within the package.
in-package search v0.2.0
val let+ : 'a m -> ('a -> 'b) -> 'b m
val let* : 'a m -> ('a -> 'b m) -> 'b m
val (>|=) : 'a m -> ('a -> 'b) -> 'b m
val (>>=) : 'a m -> ('a -> 'b m) -> 'b m
val and+ : 'a m -> 'b m -> ('a * 'b) m