Module type Tick.PERSISTENT_TRIGGER

module type PERSISTENT_TRIGGER = sig .. end

The type for persistent triggers.

PERSISTENT_TRIGGER provides a type that tick watchers are able to actuate and to serialize.

Triggers

type t

The type for persistent triggers.

val actuate : int64 -> int64 -> t -> unit

actuate d t tr is called whenever a watcher's trigger needs to be actuated. d is the watcher's delay and t the actual lingering time.

val codec : (t -> string) *
       (string -> (t, Rresult.R.msg) Rresult.result)

codec is a byte codec for triggers.