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From: "Mattias Engdegård" <mattiase@acm.org>
To: "Basil L. Contovounesios" <contovob@tcd.ie>
Cc: Paul Eggert <eggert@cs.ucla.edu>, emacs-devel <emacs-devel@gnu.org>
Subject: Re: Regexp error scan (March 26)
Date: Wed, 27 Mar 2019 10:14:29 +0100	[thread overview]
Message-ID: <7E84CED0-9E85-45FB-8BBF-B87ED51F4818@acm.org> (raw)
In-Reply-To: <87h8bpvv74.fsf@tcd.ie>

27 mars 2019 kl. 04.43 skrev Basil L. Contovounesios <contovob@tcd.ie>:
> 
> Paul Eggert <eggert@cs.ucla.edu> writes:
> 
>>       (replace-regexp-in-string
>> -       (format "[%s]"
>> -               (mapconcat (lambda (char)
>> -                            (regexp-quote (char-to-string char)))
>> -                          erc-lurker-ignore-chars ""))
>> +       (regexp-opt (cl-delete-duplicates
>> +		    (mapcar #'char-to-string erc-lurker-ignore-chars)))
>>        "" nick)
>>     nick))
> 
> regexp-opt already deletes duplicates, so you can just:
> 
> (regexp-opt (mapcar #'char-to-string erc-lurker-ignore-chars))
> 
> Besides, cl-delete-duplicates defaults to eql for equality, so it's a
> no-op here anyway.

Or perhaps:

(regexp-opt-charset (append erc-lurker-ignore-chars nil))




  reply	other threads:[~2019-03-27  9:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-26 17:38 Regexp error scan (March 26) Mattias Engdegård
2019-03-27  2:10 ` Paul Eggert
2019-03-27  3:43   ` Basil L. Contovounesios
2019-03-27  9:14     ` Mattias Engdegård [this message]
2019-03-27 13:55       ` Andy Moreton
2019-03-27 14:36         ` Stefan Monnier
2019-03-27 14:41           ` Mattias Engdegård
2019-03-27 14:45             ` Stefan Monnier
2019-03-27 14:49               ` Noam Postavsky
2019-03-27 15:45                 ` Mattias Engdegård
2019-03-27 15:48                 ` Stefan Monnier
2019-03-27 18:50                   ` Paul Eggert
2019-03-27 15:28             ` Damien Collard
2019-03-27 12:09   ` Mattias Engdegård

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