/in/foo.cc: In function 'int main()':
/in/foo.cc:46:62: warning: 'M2.Violet::y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |  cout<<'('<<M1.x<<','<<M1.y<<')'<<' '<<'('<<M2.x<<','<<M2.y<<')'<<endl;
      |                                                              ^~~
/in/foo.cc:46:40: warning: 'M1.Violet::y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |  cout<<'('<<M1.x<<','<<M1.y<<')'<<' '<<'('<<M2.x<<','<<M2.y<<')'<<endl;
      |                                        ^~~
/in/foo.cc:46:51: warning: 'M2.Violet::x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |  cout<<'('<<M1.x<<','<<M1.y<<')'<<' '<<'('<<M2.x<<','<<M2.y<<')'<<endl;
      |                                                   ^~~
/in/foo.cc:46:19: warning: 'M1.Violet::x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |  cout<<'('<<M1.x<<','<<M1.y<<')'<<' '<<'('<<M2.x<<','<<M2.y<<')'<<endl;
      |                   ^~~