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Groups > comp.lang.c++ > #91535
| From | Bonita Montero <Bonita.Montero@gmail.com> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: What a bug |
| Date | 2023-09-04 11:11 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <ud470r$1cfbk$1@dont-email.me> (permalink) |
| References | (2 earlier) <ucud4u$a111$1@dont-email.me> <ud3154$13irg$2@dont-email.me> <ud3gqo$19fto$1@dont-email.me> <ud3hag$19h7u$1@dont-email.me> <ud3o78$1acb6$1@dont-email.me> |
Am 04.09.2023 um 06:59 schrieb Bonita Montero:
> string_view is just a pointer and a size_t or two pointers.
> And string_view is often faster since its constructor is
> constexpr. If you do a string_view( "hello world" ).length()
> that's all compile-time evaluated.
#include <string_view>
size_t fn()
{
return std::string_view( "hello world" ).length();
}
MSVC:
?fn@@YA_KXZ PROC
mov eax, 11
ret 0
?fn@@YA_KXZ ENDP
clang++:
_Z2fnv:
movl $11, %eax
retq
g++:
_Z2fnv:
movl $11, %eax
ret
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What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-01 19:35 +0200
Re: What a bug "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2023-09-01 23:09 +0200
Re: What a bug "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-09-01 14:52 -0700
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-02 06:23 +0200
Re: What a bug Muttley@dastardlyhq.com - 2023-09-02 10:25 +0000
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-02 12:56 +0200
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-02 14:35 +0200
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-02 14:41 +0200
Re: What a bug Muttley@dastardlyhq.com - 2023-09-02 15:30 +0000
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-02 18:10 +0200
Re: What a bug "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-09-01 14:50 -0700
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-02 06:19 +0200
Re: What a bug "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-09-03 15:25 -0700
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-04 04:53 +0200
Re: What a bug "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-09-03 20:01 -0700
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-04 06:59 +0200
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-04 11:11 +0200
Re: What a bug "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-09-04 18:48 -0700
Re: What a bug "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-09-14 16:27 -0700
Re: What a bug scott@slp53.sl.home (Scott Lurndal) - 2023-09-04 14:24 +0000
Re: What a bug "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-09-18 16:20 -0700
Re: What a bug Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-09-04 18:43 -0400
Re: What a bug red floyd <no.spam.here@its.invalid> - 2023-09-04 17:36 -0700
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-05 05:49 +0200
Re: What a bug Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-09-06 12:00 -0400
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-06 19:46 +0200
Re: What a bug Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-09-06 14:44 -0400
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-07 04:51 +0200
Re: What a bug Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-09-06 23:54 -0400
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-07 06:58 +0200
Re: What a bug Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-09-07 11:08 -0400
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-07 17:56 +0200
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-07 18:04 +0200
Re: What a bug Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-09-07 19:35 -0400
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-07 17:46 +0200
Re: What a bug jak <nospam@please.ty> - 2023-09-02 23:15 +0200
Re: What a bug jak <nospam@please.ty> - 2023-09-03 23:17 +0200
Re: What a bug Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-09-03 17:37 -0700
Re: What a bug jak <nospam@please.ty> - 2023-09-05 11:01 +0200
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-05 11:12 +0200
Re: What a bug Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-09-05 03:04 -0700
Re: What a bug jak <nospam@please.ty> - 2023-09-07 01:18 +0200
Re: What a bug James Kuyper <jameskuyper@alumni.caltech.edu> - 2023-09-08 00:09 -0400
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-05 11:11 +0200
Re: What a bug red floyd <no.spam.here@its.invalid> - 2023-09-05 20:53 -0700
Re: What a bug Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-09-05 21:14 -0700
Re: What a bug red floyd <no.spam.here@its.invalid> - 2023-09-06 17:51 -0700
Re: What a bug Bonita Montero <Bonita.Montero@gmail.com> - 2023-09-06 06:49 +0200
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