Am Dienstag, 21. April 2015 14:44 CEST, "Mattes" <r.mat...@mh-freiburg.de>
schrieb:
> (define pair-or-rational? (thing)
> (or
> (pair? thing)
> (rational? thing)))
As Orm Finnenahl correctly observed I unconsciously slipped into
Common Lisp :-/
Here's the Scheme variant:
(define (pair-or-rational? thing)
(or
(pair? thing)
(rational? thing)))
Cheers, RalfD
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