Filip van der Meeren wrote:
> What I was trying to do is the following:
>
> C/C++ operator | NSCharacterSet operation
>
------------------------------------------------------------------------
-----
> | (or) | [aCharSet
formUnionWithCharacterSet:bCharSet];
> & (and) | [aCharSet
formIntersectionWithCharacterSet:bCharSet];
> ^ (xor) | ?
There are several equivalents for XOR built from AND, OR, NOT.
http://en.wikipedia.org/wiki/Exclusive_or
If you want one that takes least memory or least time, create tests
and measure, rather than assume.
-- GG
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