On Sunday, January 10, 2016 at 4:44:57 PM UTC-5, David K. Storrs wrote:
> I feel like I'm starting to be somewhat functional with Racket, but I'd like
> to get more idiomatic. I'd appreciate it if people would critique the
> following code:
>
>
> (define (data/fetch s key-list)
> (if (or (empty? s)
> (nor (list? s)
> (hash? s)))
I'm not the one to answer about what is idiomatic Racket, but I'd probably be
using (cond).
(cond
[(hash? s)..]
[(pair? s)...]
[ else ...])
Also, you probably want a 4th parameter to hash-ref for failed lookup.
More than anything, thanks for using (nor). I did not know of it beforehand.
JG
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