You can search for identifiers within the package.
in-package search v0.2.0
type t
val empty : t
val is_empty : t -> bool
val of_array : Level.t array -> t
val to_array : t -> Level.t array
val append : t -> t -> t
val equal : t -> t -> bool
val length : t -> int
val hcons : t -> t
val hash : t -> int
val share : t -> t * int
val subst_fn : universe_level_subst_fn -> t -> t
val pr : (Level.t -> Pp.t) -> ?variance:Variance.t array -> t -> Pp.t
val levels : t -> LSet.t