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