TODO

syndicate/drivers/timer.rkt

@@ -82,6 +82,9 @@
                                             (current-inexact-milliseconds))
          (define timer-id (gensym 'timestate))
          (on-start (send! (set-timer timer-id msecs 'absolute)))
+         ;; TODO: on-stop to delete irrelevant timers, so that their background-activity is
+         ;; removed, so that programs don't stay running uselessly while previously-set but
+         ;; now-unwanted timers expire unobserved.
          (on (message (timer-expired timer-id _))
              (react (assert (later-than msecs))))))