You can search for identifiers within the package.
in-package search v0.2.0
type unop = ?m:int -> ?n:int -> ?br:int -> ?bc:int -> ?b:mat -> ?ar:int -> ?ac:int -> mat -> mat
type binop = ?m:int -> ?n:int -> ?cr:int -> ?cc:int -> ?c:mat -> ?ar:int -> ?ac:int -> mat -> ?br:int -> ?bc:int -> mat -> mat