/in/foo.cc: In member function 'int PolyList::evaluate(int)':
/in/foo.cc:19:21: warning: unused variable 'result' [-Wunused-variable]
   19 |                 int result=0;
      |                     ^~~~~~
/in/foo.cc:34:9: warning: control reaches end of non-void function [-Wreturn-type]
   34 |         }
      |         ^