* Re: no empty (zero) string predicate in Elisp [not found] ` <87wq107e40.fsf@petton.fr> @ 2015-05-16 9:23 ` Nicolas Petton 2015-05-16 13:22 ` Bozhidar Batsov ` (2 more replies) 0 siblings, 3 replies; 8+ messages in thread From: Nicolas Petton @ 2015-05-16 9:23 UTC (permalink / raw) To: emacs-devel; +Cc: help-gnu-emacs, Emanuel Berg [-- Attachment #1: Type: text/plain, Size: 468 bytes --] Nicolas Petton writes: > You can use `string-empty-p' from subr-x.el or `seq-empty-p' from > seq.el (which works on all sequence data types). > > seq.el will be included in Emacs 25.1, but in the meantime you can > install it from GNU Elpa. BTW, would it be wise to obsolete `string-reverse' and `string-empty-p' From subr-x in favor of `seq-reverse' and `seq-empty-p' which are much more generic? Nico -- Nicolas Petton http://nicolas-petton.fr [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 512 bytes --] ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: no empty (zero) string predicate in Elisp 2015-05-16 9:23 ` no empty (zero) string predicate in Elisp Nicolas Petton @ 2015-05-16 13:22 ` Bozhidar Batsov 2015-05-16 13:28 ` Bozhidar Batsov 2015-05-16 13:43 ` Stefan Monnier 2015-05-16 15:27 ` Drew Adams 2 siblings, 1 reply; 8+ messages in thread From: Bozhidar Batsov @ 2015-05-16 13:22 UTC (permalink / raw) To: Nicolas Petton; +Cc: help-gnu-emacs, Emanuel Berg, emacs-devel [-- Attachment #1: Type: text/plain, Size: 683 bytes --] I'd advise against this, as my intuition would always be to search for something starting with `string-` when dealing with strings. On 16 May 2015 at 12:23, Nicolas Petton <nicolas@petton.fr> wrote: > > Nicolas Petton writes: > > > You can use `string-empty-p' from subr-x.el or `seq-empty-p' from > > seq.el (which works on all sequence data types). > > > > seq.el will be included in Emacs 25.1, but in the meantime you can > > install it from GNU Elpa. > > BTW, would it be wise to obsolete `string-reverse' and `string-empty-p' > From subr-x in favor of `seq-reverse' and `seq-empty-p' which are much > more generic? > > Nico > -- > Nicolas Petton > http://nicolas-petton.fr > [-- Attachment #2: Type: text/html, Size: 1185 bytes --] ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: no empty (zero) string predicate in Elisp 2015-05-16 13:22 ` Bozhidar Batsov @ 2015-05-16 13:28 ` Bozhidar Batsov 2015-05-16 13:36 ` Bozhidar Batsov 0 siblings, 1 reply; 8+ messages in thread From: Bozhidar Batsov @ 2015-05-16 13:28 UTC (permalink / raw) To: Nicolas Petton; +Cc: help-gnu-emacs, Emanuel Berg, emacs-devel [-- Attachment #1: Type: text/plain, Size: 843 bytes --] Btw, `string-reverse` was already obsoleted by `reverse`. On 16 May 2015 at 16:22, Bozhidar Batsov <bozhidar@batsov.com> wrote: > I'd advise against this, as my intuition would always be to search for > something starting with `string-` when dealing with strings. > > On 16 May 2015 at 12:23, Nicolas Petton <nicolas@petton.fr> wrote: > >> >> Nicolas Petton writes: >> >> > You can use `string-empty-p' from subr-x.el or `seq-empty-p' from >> > seq.el (which works on all sequence data types). >> > >> > seq.el will be included in Emacs 25.1, but in the meantime you can >> > install it from GNU Elpa. >> >> BTW, would it be wise to obsolete `string-reverse' and `string-empty-p' >> From subr-x in favor of `seq-reverse' and `seq-empty-p' which are much >> more generic? >> >> Nico >> -- >> Nicolas Petton >> http://nicolas-petton.fr >> > > [-- Attachment #2: Type: text/html, Size: 1644 bytes --] ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: no empty (zero) string predicate in Elisp 2015-05-16 13:28 ` Bozhidar Batsov @ 2015-05-16 13:36 ` Bozhidar Batsov 2015-05-16 13:46 ` Eli Zaretskii 0 siblings, 1 reply; 8+ messages in thread From: Bozhidar Batsov @ 2015-05-16 13:36 UTC (permalink / raw) To: Nicolas Petton; +Cc: help-gnu-emacs, Emanuel Berg, emacs-devel [-- Attachment #1: Type: text/plain, Size: 1051 bytes --] And one more thing - `string-empty-p` uses string comparison (`string=`) instead of length comparison. On 16 May 2015 at 16:28, Bozhidar Batsov <bozhidar@batsov.com> wrote: > Btw, `string-reverse` was already obsoleted by `reverse`. > > On 16 May 2015 at 16:22, Bozhidar Batsov <bozhidar@batsov.com> wrote: > >> I'd advise against this, as my intuition would always be to search for >> something starting with `string-` when dealing with strings. >> >> On 16 May 2015 at 12:23, Nicolas Petton <nicolas@petton.fr> wrote: >> >>> >>> Nicolas Petton writes: >>> >>> > You can use `string-empty-p' from subr-x.el or `seq-empty-p' from >>> > seq.el (which works on all sequence data types). >>> > >>> > seq.el will be included in Emacs 25.1, but in the meantime you can >>> > install it from GNU Elpa. >>> >>> BTW, would it be wise to obsolete `string-reverse' and `string-empty-p' >>> From subr-x in favor of `seq-reverse' and `seq-empty-p' which are much >>> more generic? >>> >>> Nico >>> -- >>> Nicolas Petton >>> http://nicolas-petton.fr >>> >> >> > [-- Attachment #2: Type: text/html, Size: 2137 bytes --] ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: no empty (zero) string predicate in Elisp 2015-05-16 13:36 ` Bozhidar Batsov @ 2015-05-16 13:46 ` Eli Zaretskii 2015-05-16 16:17 ` Bozhidar Batsov 0 siblings, 1 reply; 8+ messages in thread From: Eli Zaretskii @ 2015-05-16 13:46 UTC (permalink / raw) To: Bozhidar Batsov; +Cc: nicolas, embe8573, help-gnu-emacs, emacs-devel > Date: Sat, 16 May 2015 16:36:18 +0300 > From: Bozhidar Batsov <bozhidar@batsov.com> > Cc: help-gnu-emacs@gnu.org, Emanuel Berg <embe8573@student.uu.se>, > emacs-devel <emacs-devel@gnu.org> > > And one more thing - `string-empty-p` uses string comparison (`string=`) > instead of length comparison. Are you saying that length comparison is better, or vice versa? ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: no empty (zero) string predicate in Elisp 2015-05-16 13:46 ` Eli Zaretskii @ 2015-05-16 16:17 ` Bozhidar Batsov 0 siblings, 0 replies; 8+ messages in thread From: Bozhidar Batsov @ 2015-05-16 16:17 UTC (permalink / raw) To: Eli Zaretskii; +Cc: Nicolas Petton, Emanuel Berg, emacs-devel [-- Attachment #1: Type: text/plain, Size: 522 bytes --] On 16 May 2015 at 16:46, Eli Zaretskii <eliz@gnu.org> wrote: > > Date: Sat, 16 May 2015 16:36:18 +0300 > > From: Bozhidar Batsov <bozhidar@batsov.com> > > Cc: help-gnu-emacs@gnu.org, Emanuel Berg <embe8573@student.uu.se>, > > emacs-devel <emacs-devel@gnu.org> > > > > And one more thing - `string-empty-p` uses string comparison (`string=`) > > instead of length comparison. > > Are you saying that length comparison is better, or vice versa? > I'm saying that they are different. I prefer the string= comparison. [-- Attachment #2: Type: text/html, Size: 1097 bytes --] ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: no empty (zero) string predicate in Elisp 2015-05-16 9:23 ` no empty (zero) string predicate in Elisp Nicolas Petton 2015-05-16 13:22 ` Bozhidar Batsov @ 2015-05-16 13:43 ` Stefan Monnier 2015-05-16 15:27 ` Drew Adams 2 siblings, 0 replies; 8+ messages in thread From: Stefan Monnier @ 2015-05-16 13:43 UTC (permalink / raw) To: Nicolas Petton; +Cc: help-gnu-emacs, Emanuel Berg, emacs-devel > BTW, would it be wise to obsolete `string-reverse' and `string-empty-p' > From subr-x in favor of `seq-reverse' and `seq-empty-p' which are much > more generic? string-reverse i already marked as obsolete. As for string-empty-p, I'm not sure, because it depends on whether you care about the fact that the arg is a string (e.g. you care about the fact that (string-empty-p nil) is nil rather than (seq-empty-p nil) being t). Stefan ^ permalink raw reply [flat|nested] 8+ messages in thread
* RE: no empty (zero) string predicate in Elisp 2015-05-16 9:23 ` no empty (zero) string predicate in Elisp Nicolas Petton 2015-05-16 13:22 ` Bozhidar Batsov 2015-05-16 13:43 ` Stefan Monnier @ 2015-05-16 15:27 ` Drew Adams 2 siblings, 0 replies; 8+ messages in thread From: Drew Adams @ 2015-05-16 15:27 UTC (permalink / raw) To: Nicolas Petton, emacs-devel; +Cc: help-gnu-emacs C'mon guys, please don't cc both lists. (This belongs in emacs-devel, IMHO, but please pick one list.) ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2015-05-16 16:17 UTC | newest]
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[not found] ` <87wq107e40.fsf@petton.fr>
2015-05-16 9:23 ` no empty (zero) string predicate in Elisp Nicolas Petton
2015-05-16 13:22 ` Bozhidar Batsov
2015-05-16 13:28 ` Bozhidar Batsov
2015-05-16 13:36 ` Bozhidar Batsov
2015-05-16 13:46 ` Eli Zaretskii
2015-05-16 16:17 ` Bozhidar Batsov
2015-05-16 13:43 ` Stefan Monnier
2015-05-16 15:27 ` Drew Adams
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