You can search for identifiers within the package.
in-package search v0.2.0
type t
type id = string
val listen : t -> (Io_page.t -> unit Lwt.t) -> unit Lwt.t
val destroy : t -> unit Lwt.t
val write : t -> Io_page.t -> unit Lwt.t
val writev : t -> Io_page.t list -> unit Lwt.t
val create : (id -> t -> unit Lwt.t) -> unit Lwt.t
val get_writebuf : t -> Io_page.t Lwt.t
val mac : t -> string
val ethid : t -> id