Re: [External] : Re: Testing whether a list contains at least one non-nil element

[Emanuel Berg]

tomas wrote:

> If you are doing it "by hand", why not indulge in Lisp's
> "classic elegance", like so:
>
>   (defun has-non-nil (lst)
>     (cond
>      ((null lst) nil)
>      ((consp lst) (or (not (null (car lst))) (has-non-nil (cdr lst))))
>      (t (error "Not a proper list! You cheater!"))))

Did you mean: recursion

https://www.google.com/search?q=recursion

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