macro for enum operations

[Michael Matz]

Hi,

On Thu, 11 Sep 2003, Lubos Lunak wrote:

>  Then the bitmask would fix it. Or even simpler, the macro could require
> that the enum has one entry with value 1 << 31 (or 1<<63, if the macro
> would use unsigned long long). That would also avoid the problem with
> extending the enum later.

In that case it's total nonsense to define your own operators.  The unary
and binary arithmetic operators are also defined on enumeration types.
What do we gain with defining our own anyway?


Ciao,
Michael.