using System;

struct X
{  
  public mutable x : int;
  public mutable y : double;
}

struct Y {
  x : int;

  public this (_ : string) { x = 4 }
}

module M
{
  print (x : X) : void
  {
    Nemerle.IO.printf ("%d %lf\n", x.x, x.y)
  }

  public Main ()  : void
  {
    print (X ());
    def x = X();
    x.x = 7;
    x.y = 1.0;
    def _ = DateTime ();
    def _ = TimeSpan ();
    def _ = Y ("");
    print (x);
  }
}

/*
BEGIN-OUTPUT
0 0
7 1
END-OUTPUT
*/