You can search for identifiers within the package.
in-package search v0.2.0
val take : int -> 'a list -> 'a list
val drop : int -> 'a list -> 'a list
val uniq : ('a -> 'a -> int) -> 'a list -> 'a list
val weed : ('a -> 'a -> int) -> 'a list -> 'a list
type 'a stream = 'a head Lazy.t
and 'a head =
| Nil
| Cons of 'a * 'a stream
val length : 'a stream -> int
val foldr : ('a -> 'b -> 'b) -> 'a stream -> 'b -> 'b