(Previous discussion continued)
Re: SRFI-1: suggestion for addition: LDIFF sperber@xxxxxx 06 Jan 1999 17:30 UTC

Re: SRFI-1: suggestion for addition: LDIFF sperber@xxxxxx 06 Jan 1999 17:30 UTC

>>>>> "Will" == Will Fitzgerald <xxxxxx@neodesic.com> writes:

Will> May I suggest the following addition to the SRFI-1 list library, Common Lisp's
Will> LDIFF:

Will> I think a reasonable definition is:

Will> (define (ldiff l subl)
Will>   (cond
Will>    ((null? l) '())
Will>    ((eq? (cdr l) subl) (list (car l)))
Will>    (else (cons (car l)
Will> 	       (ldiff (cdr l) subl)))))

Reasonable.  Only, LDIFF is a terrible name.  Why not LIST-DIFFERENCE?
(From CltL2: 'ldiff (meaning "list difference" [...]'.  I wonder why
the CL folks never say what they mean.)

Could you suggest possible uses for this procedure?

--
Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla