/in/foo.cc:23:13: error: 'int PolyList::evaluate(int)' cannot be overloaded with 'int PolyList::evaluate(int)'
   23 |         int evaluate(int x){
      |             ^~~~~~~~
/in/foo.cc:18:13: note: previous declaration 'int PolyList::evaluate(int)'
   18 |         int evaluate(int x){
      |             ^~~~~~~~
/in/foo.cc: In member function 'int PolyList::evaluate(int)':
/in/foo.cc:21:22: error: 'newNode' was not declared in this scope
   21 |                 head=newNode;
      |                      ^~~~~~~
/in/foo.cc:19:21: warning: unused variable 'result' [-Wunused-variable]
   19 |                 int result=0;
      |                     ^~~~~~
/in/foo.cc:20:31: warning: unused variable 'current' [-Wunused-variable]
   20 |                 PolyListNode* current=head;
      |                               ^~~~~~~
/in/foo.cc:22:9: warning: no return statement in function returning non-void [-Wreturn-type]
   22 |         }
      |         ^
/in/foo.cc: In member function 'int PolyList::evaluate(int)':
/in/foo.cc:24:21: warning: unused variable 'result' [-Wunused-variable]
   24 |                 int result=0;
      |                     ^~~~~~