03 Checkpoint

Verify that you can and use your message structure in your main file.

Add the following code snippet to your main file and run it.

(define ex1 (make-ic-msg 1 3 "blue"))
(ic-msg-col ex1) ;; should show "blue"

If this doesn’t work, make sure you put the ic-msg code in your main file.

Last modified May 8, 2026: Edits and new web content. (c015e0a)