Re: [elpa] externals/compat 6a60af22da: Optimize string-search

[Daniel Mendler]

On 8/11/23 08:07, Philip Kaludercic wrote:
> ELPA Syncer <elpasync@gnu.org> writes:
> 
>> branch: externals/compat
>> commit 6a60af22da1f1a7b08457a4016b9412a475afe4a
>> Author: Daniel Mendler <mail@daniel-mendler.de>
>> Commit: Daniel Mendler <mail@daniel-mendler.de>
>>
>>     Optimize string-search
>> ---
>>  compat-28.el | 5 ++---
>>  1 file changed, 2 insertions(+), 3 deletions(-)
>>
>> diff --git a/compat-28.el b/compat-28.el
>> index fe69315522..b305ab2fff 100644
>> --- a/compat-28.el
>> +++ b/compat-28.el
>> @@ -52,9 +52,8 @@ issues are inherited."
>>    (when (and start-pos (or (< (length haystack) start-pos)
>>                             (< start-pos 0)))
>>      (signal 'args-out-of-range (list start-pos)))
>> -  (save-match-data
>> -    (let ((case-fold-search nil))
>> -      (string-match (regexp-quote needle) haystack start-pos))))
>> +  (let (case-fold-search)
>> +    (string-match-p (regexp-quote needle) haystack start-pos)))
>>  
>>  (compat-defun length= (sequence length) ;; [[compat-tests:length=]]
>>    "Returns non-nil if SEQUENCE has a length equal to LENGTH."
> 
> I don't believe this is a legal optimisation, even if the regular
> expression is quoted.  Consider

Hi Philip,

did you notice that I replaced `string-match' with `string-match-p'?

Daniel