You can search for identifiers within the package.
in-package search v0.2.0
type t
val _create : int -> int -> int -> t
val create : ?size:int -> ?maxsize:int -> arity:int -> t
val create1 : ?size:int -> ?maxsize:int -> unit -> t
val create2 : ?size:int -> ?maxsize:int -> unit -> t
val create3 : ?size:int -> ?maxsize:int -> unit -> t
val arity : t -> int
val clear : t -> unit