At Sat, 9 Jul 2011 11:43:14 -0700, John Clements wrote: > The expansion of letrec has changed substantially; for instance, a letrec > such > as > > (letrec ([a 3] [b (lambda () (b))] [c 4]) (+ a (b) c)) > > ... now expands into three nested forms. This is going to require some fairly > interesting changes to the stepper. First, though, some questions: > > 1) are the definitions ever re-ordered in the process of splitting? It looks > like the answer is 'no', but it's hard to guess. > 2) are unused definitions ever removed? Again, it looks like the answer is > 'no', but I can't be sure.
No in both cases, but I think it's best to have the teaching languages use the old expansion instead of the new internal-definition expansion. I'll push that change. _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev
