GNU bug report logs - #38378
26.3.50; [PATCH] Add the hierarchy library

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Message #26 received at 38378 <at> debbugs.gnu.org (full text, mbox):

From: João Távora <joaotavora <at> gmail.com>
To: Damien Cassou <damien <at> cassou.me>
Cc: johnw <at> newartisans.com, 38378 <at> debbugs.gnu.org,
 Stefan Monnier <monnier <at> iro.umontreal.ca>, clement.pitclaudel <at> live.com
Subject: Re: bug#38378: 26.3.50; [PATCH] Add the hierarchy library
Date: Mon, 9 Dec 2019 13:27:17 +0100

On Mon, Dec 9, 2019 at 1:24 PM Damien Cassou <damien <at> cassou.me> wrote:
>
> João Távora <joaotavora <at> gmail.com> writes:
> > ;; Library to create, query, navigate and display hierarchy structures.
> >
> > Did you omit "modify" specifically because it doesn't allow a created
> > hierarchy to be mutated?
>
> a Hierarchy is created with (hierarchy-new) and must then be mutated to
> add elements to it. This is the same as with (make-hash-table).

But are existing external representations of that hierarchy (such as, say
a buffer displaying it as text) automatically updated when you mutate it?

João

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