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| From | Ian Collins <ian-news@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Can "enum" be forced to a certain "bitness"? |
| Date | 2015-09-09 10:35 +1200 |
| Message-ID | <d59650FldfqU3@mid.individual.net> (permalink) |
| References | <msnbio$t7a$1@dont-email.me> <87lhcgoh4j.fsf@bsb.me.uk> <2c4d7c17-8b7d-4ea2-aa7d-73d8de39eb49@googlegroups.com> <msnma3$cig$1@dont-email.me> <32a65d36-f768-4d55-94ab-c1582ecddfaf@googlegroups.com> |
Rick C. Hodgin wrote: > On Tuesday, September 8, 2015 at 6:11:11 PM UTC-4, Bart wrote: > >> You might want extra type protection, but that would need a massive >> change to the language (and turn it into C++ or Ada). > > I think you could use enums to populate a field of type uint16_t and > it would populate properly, but I think internally (pre-code-generation) > the compiler would probably issue a cast, which is then removed by the > optimizer because it's realized that the enum value is really just a > constant after all. I could be wrong about that, but it wouldn't > surprise me to learn it is that way. Bart is correct. If you want type safe and fixed size enums, use C++. C enums are something of a wasted opportunity. -- Ian Collins
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Can "enum" be forced to a certain "bitness"? Ken Brody <kenbrody@spamcop.net> - 2015-09-08 15:07 -0400
Re: Can "enum" be forced to a certain "bitness"? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-08 20:17 +0100
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-08 12:36 -0700
Re: Can "enum" be forced to a certain "bitness"? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-08 22:52 +0100
Re: Can "enum" be forced to a certain "bitness"? Ken Brody <kenbrody@spamcop.net> - 2015-09-09 11:40 -0400
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-08 14:57 -0700
Re: Can "enum" be forced to a certain "bitness"? Bartc <bc@freeuk.com> - 2015-09-08 23:10 +0100
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-08 15:15 -0700
Re: Can "enum" be forced to a certain "bitness"? Ian Collins <ian-news@hotmail.com> - 2015-09-09 10:35 +1200
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-09 11:07 +0200
Re: Can "enum" be forced to a certain "bitness"? Bartc <bc@freeuk.com> - 2015-09-09 12:36 +0100
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-09 13:46 +0200
Re: Can "enum" be forced to a certain "bitness"? Ian Collins <ian-news@hotmail.com> - 2015-09-11 11:32 +1200
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-10 17:39 -0700
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-11 09:03 +0200
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-11 11:33 -0700
Re: Can "enum" be forced to a certain "bitness"? Ian Collins <ian-news@hotmail.com> - 2015-09-11 21:24 +1200
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-11 11:38 +0200
Re: Can "enum" be forced to a certain "bitness"? Richard Heathfield <rjh@cpax.org.uk> - 2015-09-11 10:40 +0100
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-11 12:51 +0200
Re: Can "enum" be forced to a certain "bitness"? Les Cargill <lcargill99@comcast.com> - 2015-09-11 12:21 -0500
Re: Can "enum" be forced to a certain "bitness"? supercat@casperkitty.com - 2015-09-11 15:03 -0700
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-12 15:01 +0200
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-11 09:23 +0200
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-10 10:06 +0200
Re: Can "enum" be forced to a certain "bitness"? David Kleinecke <dkleinecke@gmail.com> - 2015-09-15 17:55 -0700
Re: Can "enum" be forced to a certain "bitness"? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2015-09-08 18:36 -0400
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-08 16:14 -0700
Re: Can "enum" be forced to a certain "bitness"? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2015-09-08 19:49 -0400
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-08 17:20 -0700
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-08 15:48 -0700
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-08 16:03 -0700
Re: Can "enum" be forced to a certain "bitness"? Ian Collins <ian-news@hotmail.com> - 2015-09-09 11:16 +1200
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-08 16:18 -0700
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-08 16:19 -0700
Re: Can "enum" be forced to a certain "bitness"? Ian Collins <ian-news@hotmail.com> - 2015-09-09 11:42 +1200
Re: Can "enum" be forced to a certain "bitness"? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-09 00:52 +0100
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-09 13:28 +0200
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-09 10:56 -0700
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-09 22:17 +0200
Re: Can "enum" be forced to a certain "bitness"? Philip Lantz <prl@canterey.us> - 2015-09-08 22:06 -0700
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-08 23:14 -0700
Re: Can "enum" be forced to a certain "bitness"? supercat@casperkitty.com - 2015-09-09 16:10 -0700
Re: Can "enum" be forced to a certain "bitness"? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-09 00:42 +0100
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-08 16:55 -0700
Re: Can "enum" be forced to a certain "bitness"? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-09 01:31 +0100
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-08 17:51 -0700
Re: Can "enum" be forced to a certain "bitness"? Les Cargill <lcargill99@comcast.com> - 2015-09-08 22:53 -0500
Re: Can "enum" be forced to a certain "bitness"? Bartc <bc@freeuk.com> - 2015-09-09 10:00 +0100
Re: Can "enum" be forced to a certain "bitness"? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-09 11:27 +0100
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-09 13:31 +0200
Re: Can "enum" be forced to a certain "bitness"? Les Cargill <lcargill99@comcast.com> - 2015-09-09 18:32 -0500
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-09 17:15 -0700
Re: Can "enum" be forced to a certain "bitness"? Les Cargill <lcargill99@comcast.com> - 2015-09-09 18:29 -0500
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-09 17:10 -0700
Re: Can "enum" be forced to a certain "bitness"? Les Cargill <lcargill99@comcast.com> - 2015-09-09 22:27 -0500
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-09 21:09 -0700
Re: Can "enum" be forced to a certain "bitness"? Les Cargill <lcargill99@comcast.com> - 2015-09-10 01:54 -0500
Re: Can "enum" be forced to a certain "bitness"? Keith Thompson <kst-u@mib.org> - 2015-09-10 10:57 -0700
Re: Can "enum" be forced to a certain "bitness"? James Kuyper <jameskuyper@verizon.net> - 2015-09-10 00:21 -0400
Re: Can "enum" be forced to a certain "bitness"? Les Cargill <lcargill99@comcast.com> - 2015-09-10 02:00 -0500
Re: Can "enum" be forced to a certain "bitness"? James Kuyper <jameskuyper@verizon.net> - 2015-09-10 09:32 -0400
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-09 08:19 -0700
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-09 08:43 -0700
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-09 13:05 -0700
Re: Can "enum" be forced to a certain "bitness"? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-09-09 13:10 -0700
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-10 00:47 -0700
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-10 01:05 -0700
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-10 02:04 -0700
Re: Can "enum" be forced to a certain "bitness"? Bartc <bc@freeuk.com> - 2015-09-10 10:30 +0100
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-10 06:33 -0700
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-10 06:43 -0700
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-15 15:22 -0700
Re: Can "enum" be forced to a certain "bitness"? fir <profesor.fir@gmail.com> - 2015-09-10 01:35 -0700
Re: Can "enum" be forced to a certain "bitness"? Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-09-08 15:38 -0400
Re: Can "enum" be forced to a certain "bitness"? Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-09 10:52 -0700
Re: Can "enum" be forced to a certain "bitness"? David Thompson <dave.thompson2@verizon.net> - 2015-09-20 18:35 -0400
Re: Can "enum" be forced to a certain "bitness"? Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-26 16:30 -0700
Re: Can "enum" be forced to a certain "bitness"? Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-26 16:51 -0700
Re: Can "enum" be forced to a certain "bitness"? James Kuyper <jameskuyper@verizon.net> - 2015-09-08 15:50 -0400
Re: Can "enum" be forced to a certain "bitness"? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-08 20:25 +0000
Re: Can "enum" be forced to a certain "bitness"? David Brown <david.brown@hesbynett.no> - 2015-09-08 23:09 +0200
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