View Compilation Error

0_0_37763764_25499.cpp:163:25: error: expected '}' at end of input
         const auto t=a^b;
                         ^
0_0_37763764_25499.cpp: In member function 'bool argcmp::operator()(const point&, const point&) const':
0_0_37763764_25499.cpp:163:25: error: expected '}' at end of input
0_0_37763764_25499.cpp: At global scope:
0_0_37763764_25499.cpp:163:25: error: expected unqualified-id at end of input