egg timer done

201/week4/egg.hoon

@@ -0,0 +1,18 @@
+|%
++$  effect   (pair bone syscall)
++$  syscall  [%wait path @da]
+--
+|_  [bowl:gall ~]
+  |=  t=@da
+  ?:  (lth t now)
+    !!
+  ^+  [*(list effect) +>.$]
+  :_  +>.$  :_  ~
+  [ost %wait /egg-timer t]
+  |=  [=wire error=(unit tang)]
+  ^+  [*(list effect) +>.$]
+  ~&  "Timer went off!"
+  [~ +>.$]
+--