View Compilation Error

0_0_28293738_334.cpp: In function 'std::ostream& operator<<(std::ostream&, const std::set<T>&)':
0_0_28293738_334.cpp:97:193: error: expected primary-expression at end of input
 template < typename T >ostream &operator << ( ostream & os, const set< T > &v ) {os << "[";for(auto it = v.begin(); it != v.end(); ++it) {if( it != v.begin() ) os << ", ";os << *it;}return os <
                                                                                                                                                                                                 ^
0_0_28293738_334.cpp:97:193: error: expected ';' at end of input
0_0_28293738_334.cpp:97:193: error: expected '}' at end of input