On Mon, Jul 4, 2011 at 3:09 PM, Pascal J. Bourguignon <p...@informatimago.com> wrote: > Nikodemus Siivola <nikode...@random-state.net> > writes: > >> On 4 July 2011 14:46, Stas Boukarev <stass...@gmail.com> wrote: >> >>> * They can't be used with APPLY or FUNCALL. >> >> Actually, they can be used with FUNCALL. >> >> (Otherwise, I echo pretty much everything that Stas said.) >> >> Compiler-macros are, however, of decent tool for optimizing common >> cases of :KEY and :TEST arguments. > > Remember however, that you cannot write in a conforming program a > compiler macro for a function named in the CL package. > > clhs define-compiler-macro: "The consequences of writing a compiler > macro definition for a function in the COMMON-LISP package are > undefined;"
You, the user, can't, but Nikodemus, the implementer, can! ;) _______________________________________________ pro mailing list pro@common-lisp.net http://lists.common-lisp.net/cgi-bin/mailman/listinfo/pro
