On Fri, Jul 13, 2012 at 9:02 AM, Rouben Rostamian <rostam...@umbc.edu> wrote:
> The function `all-lower-case?' defined below takes a string and
> returns #f if the string has at least one uppercase alphabetic
> character, else returns #t.
Welcome to Racket v5.3.0.14.
-> (define (all-lower-case? s)
(for/and ([c s] #:when (char-alphabetic? c))
(not (char-upper-case? c))))
-> (all-lower-case? "asdf12#@")
#t
-> (all-lower-case? "asDf12#@")
#f
--
sam th
sa...@ccs.neu.edu
____________________
Racket Users list:
http://lists.racket-lang.org/users
