Felix Klock <[EMAIL PROTECTED]> writes: > Here's one I find useful occasionally: doing arity checking ahead of > time. Larceny will do this for "known procedures." [1] > > % larceny > Larceny v0.93 "Deviated Prevert" (Nov 10 2006 04:27:45, precise:BSD > Unix:unified) > > >> (let* ((f (lambda (a b) 3)) (g (lambda () (f 4)))) g) > > > Error: Wrong number of arguments to known procedure ((begin .f|3) '4) > Entering debugger; type "?" for help. > debug> > > [1] http://www.ccs.neu.edu/home/will/Twobit/p2background.html#known
Why is it not enough for the compiler to just issue a warning, and to then abort at run time? (Scheme 48 also does some degree of arity checking at compile time, and offers a special mode to make warnings abort the compiler.) -- Cheers =8-} Mike Friede, Völkerverständigung und überhaupt blabla _______________________________________________ r6rs-discuss mailing list [email protected] http://lists.r6rs.org/cgi-bin/mailman/listinfo/r6rs-discuss
