You can search for identifiers within the package.
in-package search v0.2.0
val suffixes : 'a list -> 'a list t
Suffixes of the list
val permutations : 'a list -> 'a Enum.t
Enumerate the items of the list in any order
val combinations : int -> 'a list -> 'a Enum.t
Combinations of n elements of the list
n