A thank you and a couple of questions ...

[g40]

Great to find this. Thank you.

https://github.com/dbetz/bob/blob/master/test/test.bob#L144: is this a typo?

@@ -141,9 +141,13 @@ define main()

     obj3 = new obj1();
     stdout.Display("obj3", obj3, "\n");
-    obj3,Show();
+    obj3.Show();

Some people use Windows and Visual Studio. Do you want a PR adding a VS project file to enable building bob as a stand-alone executable?