When I look at this code I can't figure out why (submod "weird.rkt" evaluator) _isn't_ available at phase 0! Could this be a bug?
Robby On Wed, May 7, 2014 at 9:11 AM, Sam Tobin-Hochstadt <sa...@cs.indiana.edu> wrote: > This program: https://gist.github.com/samth/e7b55fcef66da9b8416a works > when line 33 is uncommented, otherwise it gives the error: > > ?: module mismatch; > attempted to use a module that is not available > possible cause: > using (dynamic-require .... #f) > but need (dynamic-require .... 0) > module: (submod "weird.rkt" evaluator) > phase: 0 > in: phase1-phase0-run > context...: > weird.rkt: [running body] > > From reading the docs on `dynamic-require`, I can see that > `(dynamic-require m 'f)` doesn't make anything available for higher > phases. However, the actual `dynamic-require` in the program is just > for a function -- the need for higher phases is an implementation > detail that's leaking in because it doesn't behave like a regular > value wrt `dynamic-require`. > > Is there something I can change in the implementation of the internals > of `f` so that clients of `f` don't need to do the extra > `(dynamic-require m 0)` in order for `f` to work? > > Sam > _________________________ > Racket Developers list: > http://lists.racket-lang.org/dev _________________________ Racket Developers list: http://lists.racket-lang.org/dev