View Compilation Error

0_0_34078710_16150.cpp:18:75: error: expected '}' at end of input
   Point rotAlpha(const double &alpha, const Point &o = Point(0, 0)) const { //
                                                                           ^
0_0_34078710_16150.cpp: In member function 'Point Point::rotAlpha(const double&, const Point&) const':
0_0_34078710_16150.cpp:18:75: error: expected '}' at end of input
0_0_34078710_16150.cpp: At global scope:
0_0_34078710_16150.cpp:18:75: error: expected unqualified-id at end of input