type based operators

  
class Vector
{
 float x,y,z;
 Vector operator+ (Vector& lVector);
 Vector operator- (Vector& lVector);
};

class Matrix
{
 data[4][4];
 Matrix operator* (MAtrix& lMAtrix);
 Vector operator* (Vector& lVector);
};
  

  
main()
{
 Vector a,b,c;
 MAtrix m1,m2,m3;

 a = b + c;
 m1 = m2 * m3;
 a = m2 * a; // ?!?

}