This is in contrast to writing a 1-operand member function, as we did for the operator + above. Such a 2-operand operator overload declaration looks like this: void operator<<(ostream os, Fraction f); ...

I am writing a B+ Tree template class for a school project. I have been writing and compiling under VS.NET. Everything is fine, no complains. Now, I moved to the school's *nix system and try to ...