Niitsuma, Neither macro is incorrect, but there is no standard for a "match" macro in Scheme. Gauche and Racket have different pattern languages for their match macros. See their respective documentation at:
http://practical-scheme.net/gauche/man/gauche-refe_176.html http://docs.racket-lang.org/reference/match.html Carl Eastlund On Tue, Oct 11, 2011 at 11:23 PM, Niitsuma Hirotaka <[email protected]> wrote: > on Gauche > > work > ------------ > (use srfi-1) > (use util.match) > (match '(0 (1 2) (3 4 5)) > [(a (b c) (d e f)) > (list a b c d e f)]) ;;note this case > > (match '(0 (1 2) (3 4 5)) > [`(,a (,b ,c) (,d ,e ,f)) > (list a b c d e f)]) > ------------ > > on Racket > > Err > ------------ > #lang scheme > (require racket/match) > (match '(0 (1 2) (3 4 5)) > [(a (b c) (d e f)) > (list a b c d e f)]) > ;=> match: syntax error in pattern in: (a (b c) (d e f)) ;;compare to gouche > ------------ > > Ok > ------------ > #lang scheme > (require racket/match) > (match '(0 (1 2) (3 4 5)) > [(list a (list b c) (list d e f)) > (list a b c d e f)]) > > (match '(0 (1 2) (3 4 5)) > [`(,a (,b ,c) (,d ,e ,f)) > (list a b c d e f)]) > ------------ _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
