View Compilation Error

0_0_39816366_22672.cpp: In member function 'bool node::operator<(const node&) const':
0_0_39816366_22672.cpp:8:12: error: 'hi' was not declared in this scope; did you mean 'hig'?
    8 |         if(hi==b.hig){
      |            ^~
      |            hig