Can we hack DrRacket to display a lambda instead of the word lambda like pretty-mode in emacs?
On Mon, May 14, 2012 at 10:23 AM, Ray Racine <ray.rac...@gmail.com> wrote: > R5RS does not specify 'λ'. It's just another character like 'A' or 'a'. > In Racket, the language, λ and lambda are equivalent. > > On Mon, May 14, 2012 at 11:09 AM, Michael Rice <limitc...@gmail.com>wrote: > >> The code below (kons) gets flagged in R5RS: >> >> define: not allowed in an expression context in: (define dispatch (λ (m) >> (cond ((= m 0) x) ((= m 1) y) (else (error "Argument not 0 or 1 -- KONS" >> m))))) >> >> Works fine if I replace the lambda symbols with "lambda". >> >> Cause? >> >> Michael >> >> ============= >> >> From page 91 in SICP (slightly modified): >> >> (define kons (λ (x y) >> (define dispatch (λ (m) >> (cond ((= m 0) x) >> ((= m 1) y) >> (else (error "Argument not 0 or 1 -- KONS" m))))) >> dispatch)) >> >> (define (kar z) >> (z 0)) >> >> (define (kdr z) >> (z 1)) >> >> >> ____________________ >> 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
