On Wed, Aug 25, 2010 at 8:18 AM, Eli Barzilay <e...@barzilay.org> wrote: > On Aug 25, Jay McCarthy wrote: >> On Tue, Aug 24, 2010 at 10:18 PM, Eli Barzilay <e...@barzilay.org> wrote: >> > On Aug 24, Jay McCarthy wrote: >> >> There is not now but we could make a module that only exported them >> >> so you could provide all-from-out it and thus centralize the list of >> >> subforms. That's the cleanest idea I have. >> > >> > This assumes you want only the core ones, and not things that are >> > defined in other libraries (like in `racket/require'). >> > >> > >> >> (You don't want to hear my really bad ideas) >> > >> > (#rx"-in$" ?) >> > >> >> That's not my bad idea, which might not be so bad actually. I'm >> imagine a new require/provide transformer that names sets of exports: >> >> .... in require/provide.rkt : >> >> (define-export-set require-sub-forms only-in except-in ...) >> (define-export-set provide-sub-forms all-defined-out all-from-out ...) >> ; These expand to static information >> [...] > > But it won't be a solution to the problem, because these definitions > would appear in a place that is not where they were made -- so when a > new form is added to the core language, someone needs to remember to > update these export sets wherever they're defined. So it looks much > better to me to put the sets where the forms are defined -- but that's > practically the same as your earlier suggestion to organize the code > so that the bindings all conveniently come from a single module. > > (My other guess was something like `filtered-out' that checks the > bindings and filters only those that have a value that is the right > kind of transformer -- but I'm not sure that this can work.)
I agree that it's basically the same when done right, which is why I initially suggested the simpler solution. I think the one benefit of these "export sets" is that they make it a language abstraction rather than a convention of where to put files. Jay -- Jay McCarthy <j...@cs.byu.edu> Assistant Professor / Brigham Young University http://teammccarthy.org/jay "The glory of God is Intelligence" - D&C 93 _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev
