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Groups > comp.lang.c++ > #13961
| From | Ian Collins <ian-news@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: The or operator and the preprocessor? |
| Date | 2012-02-13 20:27 +1300 |
| Message-ID | <9prsabF2i6U2@mid.individual.net> (permalink) |
| References | <jh9ra0$2h3$1@speranza.aioe.org> <9prck4F2i6U1@mid.individual.net> <jha79h$mlb$1@speranza.aioe.org> |
On 02/13/12 06:32 PM, glen herrmannsfeldt wrote: > Ian Collins<ian-news@hotmail.com> wrote: > > (snip, I wrote) > >>> error: "or" cannot be used as a macro name as it is an operator in C++ > > (snip) > >> The error is valid, "or" is the alternative token for "||" in C++. > > Oh, so also valid in preprocessor statements? > > So might cause problems similar to: > > #define x define > > #x y 1 > >> Redefining it is a bad idea. > > Well, that is probably true of all the language keywords. "or" is an operator, not a keyword. -- Ian Collins
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The or operator and the preprocessor? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-02-13 02:08 +0000
Re: The or operator and the preprocessor? Ian Collins <ian-news@hotmail.com> - 2012-02-13 15:59 +1300
Re: The or operator and the preprocessor? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-02-13 05:32 +0000
Re: The or operator and the preprocessor? Ian Collins <ian-news@hotmail.com> - 2012-02-13 20:27 +1300
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