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From: "Ludovic Courtès" <ludo@gnu.org>
To: zimoun <zimon.toutoune@gmail.com>
Cc: Guix Devel <guix-devel@gnu.org>, Mathieu Othacehe <othacehe@gnu.org>
Subject: Re: [outreachy] Walk through the Git history
Date: Mon, 14 Dec 2020 11:20:27 +0100	[thread overview]
Message-ID: <878sa0vgd0.fsf@gnu.org> (raw)
In-Reply-To: <868sa2gbjg.fsf@gmail.com> (zimoun's message of "Sat, 12 Dec 2020 18:49:07 +0100")

Hi,

zimoun <zimon.toutoune@gmail.com> skribis:

> On Sat, 12 Dec 2020 at 14:24, Magali <magalilemes00@gmail.com> wrote:
>
>>> Awaiting how to walk the history tree, I am proposing to use the loop as
>>> Mathieu said.  However, ’match’ is preferred over ’car’.
>>
>> I got curious as to why it is preferred, hehe. Is there a special
>> reason?
>
> I do not really know.  I am just taking in count previous Ludo’s
> comments, for example [1].  From my understanding, it seems more
> aesthetic.  Maybe Ludo or someone else would comment more. :-)

‘match’ is usually clearer and less error-prone: it checks that the list
actually has the right shape.

  https://guix.gnu.org/manual/en/html_node/Data-Types-and-Pattern-Matching.html
  https://www.gnu.org/software/guile/manual/html_node/Pattern-Matching.html

I hope this sheds some light on this!

Ludo’.


  reply	other threads:[~2020-12-14 12:00 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-11 17:41 [outreachy] Walk through the Git history (guix git {authenticate, log}) zimoun
2020-12-11 19:01 ` [outreachy] Walk through the Git history (guix git {authenticate,log}) Magali
2020-12-12 12:24   ` zimoun
2020-12-12 17:24     ` Magali
2020-12-12 17:49       ` [outreachy] Walk through the Git history zimoun
2020-12-14 10:20         ` Ludovic Courtès [this message]
2020-12-15 15:20     ` [outreachy] Walk through the Git history (guix git {authenticate,log}) Magali
2020-12-16  9:35       ` zimoun
2020-12-18 15:34       ` Ludovic Courtès
2020-12-19  3:18         ` Magali
2020-12-12  8:42 ` Mathieu Othacehe
2020-12-12 12:10   ` zimoun

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