From: anne001 Date: 2006-02-22T05:18:31+09:00 Subject: Re: How can I evaluate and visualize code instead of running it. Thank you Robert. I can see that it would be cleaner to separate the code from the traversing of the code. And I see how you did it. But I don't see how it helps, how does "code_lister" list what is in "code_runner? " anne