You can search for identifiers within the package.
in-package search v0.2.0
include Applicative_syntax with type 'a t := 'a Arg.t
val let+ : 'a Arg.t -> ('a -> 'b) -> 'b Arg.t
val and+ : 'a Arg.t -> 'b Arg.t -> ('a * 'b) Arg.t
include Applicative_infix with type 'a t := 'a Arg.t
val (>>|) : 'a Arg.t -> ('a -> 'b) -> 'b Arg.t
module Arg = Arg
module Param = Param