newbie's question

[John Cohen]

what is the easiest way to tell if (car L) is a member of (cdr L).
I only need T or NIL as output, thanks for advice...

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Before you buy.

[Pierre R. Mai]

John Cohen <kms...@my-deja.com> writes:

> what is the easiest way to tell if (car L) is a member of (cdr L).
> I only need T or NIL as output, thanks for advice...

(member (car l) (cdr l))

But what are you really trying to achieve? Maybe a higher-level
function might be more suitable...

Regs, Pierre.

--
Pierre Mai <pm...@acm.org> PGP and GPG keys at your nearest Keyserver
"One smaller motivation which, in part, stems from altruism is Microsoft-
bashing." [Microsoft memo, see http://www.opensource.org/halloween1.html]

[Thomas A. Russ]

(find (car L) (cdr L))
or
(member (car L) (cdr L))

--
Thomas A. Russ, USC/Information Sciences Institute t...@isi.edu