Set a click listener on a view, backed up by an actor that discards all clicks until the suspending action returns

View.kt

/**
 * Set a click listener on a view and back it up by an actor that allows
 * execution of a single action block at a time. Subsequent requests will be discarded until action returns.
 */
fun View.setOnRendezvousClickListener(action: suspend (View) -> Unit) {
    val eventActor = actor<View>(UI, capacity = 0) {
        for (event in channel) action(event)
    }

    setOnClickListener {
        eventActor.offer(it)
    }
}