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_string : string -> t
val to_string : t -> string
val iter_string_pieces : t -> (string -> int -> int -> unit) -> unit
val concat : t -> t -> t
val sub : t -> int -> int -> t
val length : t -> int