If a program overloads both member and global operators for a class, which
is invoked? I.e.,

struct S {

   S& operator << ( int i ) { return *this; }

}


S& ::operator << ( S& s, int i ) { return s; }


f() {

   S s;

   s << (int) 5;        // ::op << or S::op<< ??

}


Where defined in the std?

Email responses appreciated.

Thanks,
--Michael
mcg@grok.berkeley.edu
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