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First, olease try to cleanup the code you attached a bit. Is it necessary to see the parts disabled by preprocessor? Second, why is the operator not a friend? How is it supposed to access the private members of the triplet class?– Assaf LavieCommented Jan 29, 2010 at 3:33
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1Keep in mind when you do tags, the language should at least be in it :P– GManNickGCommented Jan 29, 2010 at 4:50
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This article explains exactly your problem and how you should use namespaces: gotw.ca/publications/mill08.htm– sellibitzeCommented Jan 29, 2010 at 6:02
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lang-cpp