<div class="gmail_quote">On Mon, Jan 10, 2011 at 9:16 AM, Justin Zamora <<a href="mailto:justin@zamora.com">justin@zamora.com</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> The stepper works fine on simple programs. You can try watching this video tutorial I made for my students. It's basic, but it covers the essentials of using the stepper. <a href="http://www.youtube.com/watch?v=j3X07a-7YRM" target="_blank">http://www.youtube.com/watch?v=j3X07a-7YRM</a> Justin <div><div></div><div class="h5"> On Sun, Jan 9, 2011 at 9:02 AM, Sayth Renshaw <<a href="mailto:flebber.crue@gmail.com">flebber.crue@gmail.com</a>> wrote: > I am having a real issue with the stepper. Maybe the programs are too simple > so far for the stepper, but it doesn't step. > > The check syntax feature is great. for the check-color game should the > stepper work? What is the trick? I just wanted to check the flow by stepping > through. > Each time I use it I get "Couldn't find a step matching that criterion" > No matter what I change select or do. > > ;check-color > ;colour guessing game (target target)(guess guess) > ;symbol symbol symbol symbol -> string > ;four color symbols > (define (check-color target1 target2 guess1 guess2) > (cond > [(eq? target1 guess1) 'Perfect] > [(or (eq? target1 guess1)(eq? target2 guess2)) > 'OneColorAtCorrectPosition] > [(or (eq? target1 guess2)(eq? target2 guess1)) 'OneColorOccurs] > [else 'NothingCorrect])) > > ;(check-color 'red 'green 'green 'red) > ;'OneColorOccurs > > Sayth > </div></div>> _________________________________________________ > For list-related administrative tasks: > <a href="http://lists.racket-lang.org/listinfo/users" target="_blank">http://lists.racket-lang.org/listinfo/users</a> > </blockquote></div> Thanks heaps. Very handy