You can search for identifiers within the package.
in-package search v0.2.0
type feature = t
type t
val features : t -> feature list
val v : ?foreign_members:(string * json) list -> feature list -> t
v features creates a feature collection from a list of features
v features
val foreign_members : t -> (string * json) list
foreign_members t will extract name/value pair of a foreign member from t (a GeoJSON object)
foreign_members t