Defining parameters with default values to be post
When called, the argument should be front
// void T1 (X int, int Y = 0, Z int); // Error void T2 ( int X, int Y, int Z = 0 ); void T3 ( int X = 0 , int Y = 0 , int Z = 0 ); // T3 (,, 20 is); // error T3 ( 20 is );