Unfortunately, that position in a 'case' expression is not a place where macro expansion happens. You can, however, use a 'cond' instead of 'case'.
Robby On Fri, Aug 12, 2011 at 7:33 AM, Casey Klein <clkl...@eecs.northwestern.edu> wrote: > On Fri, Aug 12, 2011 at 7:26 AM, Jay McCarthy <jay.mccar...@gmail.com> wrote: >> 2011/8/11 Racket Noob <racketn...@hotmail.com>: >>> >>> (define-syntax automaton >>> (syntax-rules (: -> END) >>> [(_ init-state >>> (state : transition ...) >>> ...) >>> (letrec ([curr-state empty] >>> [state >>> (lambda (symbol) >>> (case symbol >>> [(process-state transition)] >> >> The line above here should be a case clause, but it only has one part. >> I think you meant [process-state transition] >> > > That doesn't fix it. He needs the uses of `process-state' to be > expanded before the `case' is expanded. > > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
