Messages in this thread | | | Date | Sun, 23 Jul 2006 16:25:12 -0400 | From | Jeff Garzik <> | Subject | Re: [RFC][PATCH] A generic boolean (version 4) |
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Jan Engelhardt wrote: >> +#undef false >> +#undef true >> + >> +enum { >> + false = 0, >> + true = 1 >> +}; >> + >> +#define false false >> +#define true true > > Can someone please tell me what advantage 'define true true' is going to > bring, besides than being able to '#ifdef true'?
It
(a) makes type information available to the C compiler, where a plain #define does not. (b) handles all '#ifndef true' statements properly
Jeff
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