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Re: Appending lists


From: Emanuel Berg
Subject: Re: Appending lists
Date: Thu, 17 Jun 2021 01:03:01 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Stefan Monnier via Users list for the GNU Emacs text editor wrote:

> Just to show that you should never say never:
>
>     (let* ((x 5)
>            (y 6))
>       (cl-flet ((foo (a b) (setq x (+ a b) y (* a b)) (- a b)))
>         (list (foo x y) x y)))
>
> returns
>
>     (-1 11 30)

Okay, what does that illustrate?

-- 
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