As an example of this, you can see my `lambda/prop' example here: https://gist.github.com/935350 The documentation for `prop:procedure' is here: http://docs.racket-lang.org/reference/procedures.html?q=prop%3Aprocedure#%28def._%28%28lib._racket/private/base..rkt%29._prop~3aprocedure%29%29
On Wed, Jul 20, 2011 at 7:50 AM, Robby Findler <ro...@eecs.northwestern.edu> wrote: > Do you perhaps want prop:procedure? > > Robby > > On Tue, Jul 19, 2011 at 6:08 PM, Pavel Panchekha <pavpanche...@gmail.com> > wrote: >> >> I'm trying to port some code from MIT Scheme to Racket. A large part of >> the MIT Scheme was a metacircular interpreter, and I'm hoping that I can >> use Racket's language definition capabilities to avoid that annoyance. >> >> But I've hit a snag. One of the important parts of the MIT Scheme >> wrapped all objects in another structure. It then distinguished between >> primitive functions, for which we would have to unwrap that structure >> and use a fallback, and functions defined in the guest Scheme, which >> expected wrapped objects and so we could use a smarter apply function. >> >> In Racket, I can override =%datum=, =lambda=, and similar, to produce >> these wrapped objects. But I can't figure out what to do with =%app=. >> If there was some primitive for "defined outside this language", I could >> use that. Or if there was a way of explicitly "tagging" objects (some >> sort of transparent metadata, as has e.g. Clojure), I could tag all of >> my non-primitive functions and use that. >> >> Do you know if anything like either of these options exist? Or is there >> some clearer way in Racket to express what I want to do? >> >> -- >> Pavel Panchekha >> _________________________________________________ >> For list-related administrative tasks: >> http://lists.racket-lang.org/listinfo/users >> > > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users -- sam th sa...@ccs.neu.edu _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
