In Java for example which doesn't have modules you would create a class whose sole purpose in life was to hold those constants. Did you guys make that choice consciously?
On Thu, Jan 19, 2012 at 3:58 PM, Robby Findler <ro...@eecs.northwestern.edu> wrote: > But is this style of OOP thinking because of a weakness in the design > of the OOP that Racket (as it famously inherits from Scheme (ala > Clinger's intro to the RnRS reports)) avoids? > > Robby > > On Thu, Jan 19, 2012 at 1:41 PM, Christian Wagenknecht > <c.wagenkne...@hs-zigr.de> wrote: >> I expected to find some special-form, like 'class-variable' or something >> like that. >> >> For pedagogical reasons I'd prefer to implement two syntactically different >> programs representing the oop thinking style quite obvious: the first one >> makes absolutely no use of the bindings provided by the 'class' library that >> comes with Racket whereas the second one is mainly limited to take them. The >> first one helps the students to understand lots behind the scene of how oop >> works and why. The second one abstracts of that and really allows for oo >> programming. >> >> What I mean is that the terms describing the basic concepts of object >> oriented programming should be mapped to related code. Using 'let' to get >> the right variable scope causes to mix both levels of thinking / >> abstraction. Thats exactly what I like to avoid. >> >> Am 19.01.2012 18:09, schrieb Matthias Felleisen: >> >>> >>> On Jan 19, 2012, at 11:57 AM, Christian Wagenknecht wrote: >>> >>>> How class variables/methods (instead of instance variables/methods) can >>>> be implemented be means of Racket's class definition expressions? An >>>> unsatisfying way I found is by using a let expression enclosing the whole >>>> definition of the class. >>> >>> >>> What's unsatisfying about it? >> >> ____________________ >> Racket Users list: >> http://lists.racket-lang.org/users > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users -- http://www.wisdomandwonder.com/ ACM, AMA, COG, IEEE ____________________ Racket Users list: http://lists.racket-lang.org/users
