You can search for identifiers within the package.
in-package search v0.2.0
nsq
Nsq.Consumer
module Config : sig ... end
type t
val create : ?mode:[ `Nsqd | `Lookupd ] -> ?config:Config.t -> Address.t list -> Topic.t -> Channel.t -> (bytes -> [ `Ok | `Requeue ] Lwt.t) -> t
val run : t -> unit Lwt.t