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bug#26629: 25.1.50; Feature-request: Structure-preserving copying of seq
From: |
Lars Ingebrigtsen |
Subject: |
bug#26629: 25.1.50; Feature-request: Structure-preserving copying of sequences |
Date: |
Sat, 14 May 2022 04:18:36 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Stefan Monnier <monnier@iro.umontreal.ca> writes:
> So rather than `copy-tree*` I'd rather see some kind of generic
> `deep-copy` function which takes a (or some) parameter(s) that indicates
> when (and potentially how) to copy/recurse each of the elements (where
> `deep-copy`s job would thus be mainly to take care of maintaining the
> hash-map and maybe using an explicit stack to avoid deep recursion).
Makes sense to me. Since we're not going to include `copy-tree*' (being
too niche), I'm closing this bug report, but a more general `deep-copy'
function would be welcome, if somebody were to write it.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no