void->int filter Generate{
  int x=0;
  work push 1{
	push(x);
	x = x+1;
  }
}

int->void filter Read{
  work pop 1{    
	 print( pop() );
  } 
}


bit->bit filter Gen{
	work push 1{			//If pop rate is not defined, it is assumed to be zero.
		push( (bit) 1 );	
	}	
}


bit->bit splitjoin Interleave{
	split roundrobin( 1, 0);
	add Identity();
	add Gen();			//Gen gets 0 bits of input, and produces 1 bit.
	join roundrobin( 1, 1);
}

void->void pipeline merging1{
  add Generate();

  add Interleave();

  add Read();
}