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bug#36139: [PATCH] Make better use of the switch op in cond forms
From: |
Noam Postavsky |
Subject: |
bug#36139: [PATCH] Make better use of the switch op in cond forms |
Date: |
Tue, 11 Jun 2019 07:25:05 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) |
Mattias Engdegård <mattiase@acm.org> writes:
> 10 juni 2019 kl. 17.38 skrev npostavs@gmail.com:
>>
>> Redefining eq, equal, memq, or member with defun or advice is already
>> unreliable because they are translated to byte codes. eql and memql are
>> not, so this patchset (specifically, the last 2 patches, I think) would
>> make the situation a bit worse for those functions, in that it would
>> prevent defun/advice override for eql and memql from applying in cond
>> forms.
>
> `eql' is already recognised for switch generation in cond forms
> today.
Oh, I wasn't aware of that. Somehow I had the impression it was only
for `eq'.
> More generally, is redefinition of such fundamental built-ins
> really a serious concern?
Not in my opinion, I just wanted to mention it for completeness.
bug#36139: [PATCH] Make better use of the switch op in cond forms, Stefan Monnier, 2019/06/18
bug#36139: [PATCH] Make better use of the switch op in cond forms, Stefan Monnier, 2019/06/18
bug#36139: [PATCH] Make better use of the switch op in cond forms, Stefan Monnier, 2019/06/18
bug#36139: [PATCH] Make better use of the switch op in cond forms, Stefan Monnier, 2019/06/18