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bug#41946: 27.0.91; native json parsing: add :empty-object configuration
From: |
Lars Ingebrigtsen |
Subject: |
bug#41946: 27.0.91; native json parsing: add :empty-object configuration |
Date: |
Wed, 04 Aug 2021 07:55:04 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Dmitry Gutov <dgutov@yandex.ru> writes:
> On 31.07.2021 19:12, Lars Ingebrigtsen wrote:
>> You can wrap the json calls with a function that flips nil/:empty-object
>> easy enough, can't you?
>
> By copying the object tree and substituting nil for something else
> recursively?
>
> That says "more GC" to me, which can be a problem when the structure
> is big enough.
The user didn't want to rewrite the code to alter some conditionals, and
instead wanted Emacs to be changed so that they didn't have to do that.
I pointed out that the user can trivially just pre-process the data if
they didn't want to rewrite those conditionals.
(And they can just modify the structure in place if GC's a concern.)
I think the conclusion here is that we don't want to add :empty-object
to json.c, so I'm closing this bug report.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no