1 class Patatino { 2 public: 3 double _blah; Patatino(int blah)4 Patatino(int blah) : _blah(blah) {} 5 }; 6 operator ==(const Patatino & a,const Patatino & b)7 bool operator==(const Patatino& a, const Patatino& b) { 8 return a._blah < b._blah; 9 } 10