/**
  Box is a demo element.
  \color #666
  \symbol Bx
  \symmetries normal

  \author Xinyu Chen
  \author Dave Ackley

  \license lgpl
*/
element Box{
  // Typedefs
  typedef EventWindow.Symmetry Symmetry;

  // Utilities
  DebugUtils du;
  EventWindow ew;

  // Data members
  Unsigned(2) ns;

  Void behave(){
    ew.changeSymmetry((Symmetry) (ns + 1));
    if(ns == ns.maxof) ns = ns.minof;
    else ++ns;
    ew.swap(0, 1);
  }
}