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Re: master 6ebce84ff2b: Use t for non-nil default values in boolean defc
From: |
Michael Albinus |
Subject: |
Re: master 6ebce84ff2b: Use t for non-nil default values in boolean defcustom declarations |
Date: |
Sat, 29 Apr 2023 09:39:10 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Mattias Engdegård <mattiase@acm.org> writes:
Hi Mattias,
> Use t for non-nil default values in boolean defcustom declarations
>
> +(defcustom viper-ms-style-os-p
> + (not (not (memq system-type '(ms-dos windows-nt))))
I'm just curious. Is there an advantage in using the (not (not ...))
pattern? I would use (and ... t) instead, but perhaps your pattern is
more performant? Or is it just a personal style?
Best regards, Michael.
- Re: master 6ebce84ff2b: Use t for non-nil default values in boolean defcustom declarations,
Michael Albinus <=