Binding - 1

void f()
{
  Functor<void, TYPELIST_2(int,int)> cmd1(whatever);
  Functor<void, TYPELIST_1(int)> cmd2(BindFirst(cmd1,10));
  cmd2(20);  // same as cmd1(10,20)
  Functor<void> cmd3(BindFirst(cmd2,30));
  cmd3();    // same as cmd1(10,30)
}