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Groups > comp.lang.c > #101140
| From | Ian Collins <ian-news@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: lvalues from the ternary op |
| Date | 2017-01-05 11:07 +1300 |
| Message-ID | <ed5a0lF11foU2@mid.individual.net> (permalink) |
| References | (2 earlier) <kfnk2dxc89h.fsf@x-alumni2.alumni.caltech.edu> <8737klapvv.fsf@bsb.me.uk> <o4jftg$vqf$1@gioia.aioe.org> <877f6alefh.fsf@bsb.me.uk> <lntw9esdh5.fsf@kst-u.example.com> |
On 01/ 5/17 10:48 AM, Keith Thompson wrote: > Ben Bacarisse <ben.usenet@bsb.me.uk> writes: > [...] >> But I don't think that gets us any closer to knowing what might or might >> not be "reasonable" in C. The C standard enumerates all the expression >> forms that are lvalues and, as in the case of x.y for example, it >> sometimes depends on whether one or other part of the expression is >> itself an lvalue. So there's no obvious reason that it could not say >> that a conditional expression is an lvalue if both arms are lvalue >> expressions. > > And of the same type, or perhaps compatible types would be sufficient. > > For example, this: > > int x; > double y; > (condition ? x : y) = 42; > > would be difficult to implement sensibly. Taking the address of a > ternary expression would be even more difficult. (C++ already does > this; I haven't checked the standard's wording.) Does it? -- Ian
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Re: lvalues from the ternary op Manfred <noname@invalid.add> - 2017-01-04 19:46 +0100
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-04 11:08 -0800
Re: lvalues from the ternary op Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-01-04 21:10 +0000
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-04 13:48 -0800
Re: lvalues from the ternary op Ian Collins <ian-news@hotmail.com> - 2017-01-05 11:07 +1300
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-04 14:20 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-04 14:41 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-04 15:21 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-04 15:52 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-04 16:37 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-04 18:31 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-13 17:26 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-13 17:49 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-15 22:53 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-13 17:08 -0800
Re: lvalues from the ternary op Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-01-14 02:15 +0000
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-15 22:51 -0800
Re: lvalues from the ternary op luser droog <luser.droog@gmail.com> - 2017-01-16 23:09 -0800
Re: lvalues from the ternary op Manfred <noname@invalid.add> - 2017-01-18 14:51 +0100
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-18 09:59 -0800
Re: lvalues from the ternary op Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2017-01-18 13:12 -0500
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-18 12:11 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-18 12:45 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-18 14:07 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-18 14:40 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-18 16:10 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-18 18:08 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-19 06:44 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-19 08:40 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-19 12:32 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-20 06:01 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-20 08:15 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-20 10:51 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-20 11:32 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-20 13:41 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-23 07:04 -0800
Re: lvalues from the ternary op Ike Naar <ike@iceland.freeshell.org> - 2017-01-23 17:59 +0000
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-23 10:57 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-31 08:45 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-01-31 09:13 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-31 10:17 -0800
Re: lvalues from the ternary op Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-02-01 01:51 +0000
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-01 14:24 -0800
Re: lvalues from the ternary op Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-02-02 03:07 +0000
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-04 04:43 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-04 08:01 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-09 09:06 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-09 11:56 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-12 10:29 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-12 13:43 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-19 21:44 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-20 08:15 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-24 07:58 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-24 10:00 -0800
Re: lvalues from the ternary op scott@slp53.sl.home (Scott Lurndal) - 2017-02-24 18:58 +0000
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-24 13:03 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-02-24 14:11 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-02-24 12:42 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-02-24 13:49 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-24 13:58 -0800
Re: lvalues from the ternary op Keith Thompson <kst-u@mib.org> - 2017-02-24 14:56 -0800
Re: lvalues from the ternary op supercat <flatfinger@casperkitty.com> - 2017-02-25 14:00 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-25 09:23 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-25 09:43 -0800
Re: lvalues from the ternary op Kelsey Bjarnason <kbjarnason@gmail.com> - 2017-02-01 22:47 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-02 10:12 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-04 07:51 -0800
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-02-04 08:18 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-09 08:58 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-04 04:00 -0800
Re: lvalues from the ternary op Kelsey Bjarnason <kbjarnason@gmail.com> - 2017-02-04 09:35 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-04 09:35 -0800
Re: lvalues from the ternary op Robert Wessel <robertwessel2@yahoo.com> - 2017-01-31 13:36 -0600
Re: lvalues from the ternary op supercat@casperkitty.com - 2017-01-31 12:23 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-02-01 13:48 -0800
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-31 08:53 -0800
Re: lvalues from the ternary op Manfred <noname@invalid.add> - 2017-01-19 14:10 +0100
Re: lvalues from the ternary op Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-30 12:05 -0800
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