You can search for identifiers within the package.
in-package search v0.2.0
ocaml-basics
Applicative.S2
type ('a, 'b) t
module Core : sig ... end
include module type of Core
val apply : ('a -> 'b, 'c) t -> ('a, 'c) t -> ('b, 'c) t
val map : ('a -> 'b) -> ('a, 'c) t -> ('b, 'c) t
val pure : 'a -> ('a, _) t
module Infix : sig ... end