You can search for identifiers within the package.
in-package search v0.2.0
type switch
Switches are used to stop signals.
type 'a callbacks
val create : unit -> 'a callbacks
val register : switch option -> 'a callbacks -> 'a -> unit
val stop : switch -> unit
val exec_callbacks : ('a -> unit) callbacks -> 'a -> unit
apply_callbacks callbacks x
val exec_filters : ('a -> bool) callbacks -> 'a -> bool