You can search for identifiers within the package.
in-package search v0.2.0
val (>>=) : ('a, 'err) result -> ('a -> ('b, 'err) result) -> ('b, 'err) result
val (>>|) : ('a, 'err) result -> ('a -> 'b) -> ('b, 'err) result
val (>>!) : ('a, [ `Msg of string ] list) result -> ('a -> int) -> int
val let* : ('a, 'err) result -> ('a -> ('b, 'err) result) -> ('b, 'err) result
val let+ : ('a, 'err) result -> ('a -> 'b) -> ('b, 'err) result