Hi, zimoun <zimon.touto...@gmail.com> skribis:
> On Sat, 12 Dec 2020 at 14:24, Magali <magalileme...@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’.
