To make this version of operator<< a friend of Fraction, we declare it as a friend inside Fraction 's class body in its header (.h) file: friend void operator<<(ostream & os, const Fraction & f); Note ...

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 ...