You can search for identifiers within the package.
in-package search v0.2.0
type t = p3
val dim : int
type mh = m4
val v : float -> float -> float -> p3
val x : p3 -> float
val y : p3 -> float
val z : p3 -> float
val o : p3
val mid : p3 -> p3 -> p3
val tr : m4 -> p3 -> p3