Thanks for posting that. Robby
On Tue, Nov 23, 2010 at 2:44 PM, Ciprian Dorin, Craciun <ciprian.crac...@gmail.com> wrote: > On Sat, Nov 20, 2010 at 18:14, Matthias Felleisen <matth...@ccs.neu.edu> > wrote: >> >> >> If these two paragraphs are characteristic for the book, it is based on the >> usual misconceptions of poor Common Lispers about the world of hygienic >> macros, which they have never understood and are therefore afraid of. >> >> For us, we should figure out what's good about the book and use it for our >> own work. We understand 'hygienic macros' and these guys' world. Advantage, >> us. >> >> The author is irrelevant to us. >> >> -- Matthias > > > I don't want to take any sides in this debate -- which seems to > drift into a "Scheme vs Common Lisp" debate -- I just want to point to > the "Clarifications" page written by the same book author regarding > it's controversies: > > http://letoverlambda.com/index.cl/clarifications > > Ciprian. > > > P.S.: It just happens that a few weeks ago I've started reading > the book online, and from yesterday I also have the book. And I kind > of like the macro stuff described in there. (And just for the record I > prefer Scheme over Common Lisp.) > > Moreover, the macros described in his book (by using a certain > methodology) are not that different from a primitive hygienic-like > macro system. For example he defines the `square` macro as: > > http://letoverlambda.com/index.cl/guest/chap3.html#sec_6 > > ~~~~ > (defmacro! square (o!x) > `(* ,g!x ,g!x)) > ~~~~ > (defmacro! square (o!x) > `(progn > (format t "[~a gave ~a]~%" > ',o!x ,g!x) > (* ,g!x ,g!x))) > ~~~~ > > So my personal opinion (as an amateur Lisp-ish programmer) is that > if someone is interested in DSL's he could read the book, at least to > get an idea of what can be achieved in a Lisp-ish environment. (I > actually want to understand his ideas and techniques and try to see > how to better adapt and apply them to Racket in the context of > hygienic macros (I currently only know `syntax-rules` so maybe the > next step is to understand "hygienic" macros, thus any good pointers > are welcomed).) > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
