reorganization

samples/coroutines-test.lua

@@ -0,0 +1,11 @@
+local co = coroutine.create(function()
+    while true do
+        ui:show_text("Hello world!")
+        coroutine.yield()
+    end
+end)
+
+function on_resume()
+    ui:set_title(coroutine.status(co))
+    coroutine.resume(co)
+end