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Re: Regexp error scan (March 26)
From: |
Damien Collard |
Subject: |
Re: Regexp error scan (March 26) |
Date: |
Wed, 27 Mar 2019 16:28:22 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1 (darwin) |
On Mer, mar 27 2019, Mattias Engdegård wrote:
> 27 mars 2019 kl. 15.36 skrev Stefan Monnier <address@hidden>:
>>
>>>> (regexp-opt-charset (append erc-lurker-ignore-chars nil))
>>
>> Why do we need the append-nil thingy?
>> Does regexp-opt-charset modify its argument by side-effect?
>
> No, it's a way to convert a string to a list of characters which is what
> regexp-opt-charset expects.
> (mapcar #'identity ...) would also work, but this is a little shorter.
Hello,
Why not use `string-to-list` then? It is implemented as (append ... nil)
and would be much clearer imho.
Damien
- Re: Regexp error scan (March 26), (continued)
- Re: Regexp error scan (March 26), Basil L. Contovounesios, 2019/03/26
- Re: Regexp error scan (March 26), Mattias Engdegård, 2019/03/27
- Re: Regexp error scan (March 26), Andy Moreton, 2019/03/27
- Re: Regexp error scan (March 26), Stefan Monnier, 2019/03/27
- Re: Regexp error scan (March 26), Mattias Engdegård, 2019/03/27
- Re: Regexp error scan (March 26), Stefan Monnier, 2019/03/27
- Re: Regexp error scan (March 26), Noam Postavsky, 2019/03/27
- Re: Regexp error scan (March 26), Mattias Engdegård, 2019/03/27
- Re: Regexp error scan (March 26), Stefan Monnier, 2019/03/27
- Re: Regexp error scan (March 26), Paul Eggert, 2019/03/27
- Re: Regexp error scan (March 26),
Damien Collard <=
Re: Regexp error scan (March 26), Mattias Engdegård, 2019/03/27