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Re: Appending lists
From: |
Emanuel Berg |
Subject: |
Re: Appending lists |
Date: |
Thu, 17 Jun 2021 01:04:36 +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:
>>>> Doing (foo x y) will *never* change "the variable x" -- unless
>>>> foo is a macro/special form.
>>>
>>> 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)))
>>
>> Hey, that's cheating :-)
>
> Impredicativity is borderline, indeed.
Impredicativity, what's that, recursion?
--
underground experts united
https://dataswamp.org/~incal
- Re: Appending lists, (continued)
- Re: Appending lists, Emanuel Berg, 2021/06/16
- Re: Appending lists, tomas, 2021/06/17
- Re: Appending lists, Emanuel Berg, 2021/06/16
- Re: Appending lists, Emanuel Berg, 2021/06/16
- Re: Appending lists, Stefan Monnier, 2021/06/16
- Re: Appending lists, tomas, 2021/06/16
- Re: Appending lists, Stefan Monnier, 2021/06/16
- Re: Appending lists, tomas, 2021/06/16
- Re: Appending lists,
Emanuel Berg <=
- [OFFTOPIC] Re: Appending lists, Stefan Monnier, 2021/06/16
- Re: [OFFTOPIC] Re: Appending lists, Arthur Miller, 2021/06/17
- Re: [OFFTOPIC] Re: Appending lists, Stefan Monnier, 2021/06/17
- Re: [OFFTOPIC] Re: Appending lists, Arthur Miller, 2021/06/17
- Re: [OFFTOPIC] Re: Appending lists, Stefan Monnier, 2021/06/18
- Re: [OFFTOPIC] Re: Appending lists, Emanuel Berg, 2021/06/18
- Re: [OFFTOPIC] Re: Appending lists, Eduardo Ochs, 2021/06/18
- Re: [OFFTOPIC] Re: Appending lists, Emanuel Berg, 2021/06/18
- Re: [OFFTOPIC] Re: Appending lists, Stefan Monnier, 2021/06/18
- Re: [OFFTOPIC] Re: Appending lists, Arthur Miller, 2021/06/21