How to send messages between child threads (NME recipe)

ThreadingSample.hx

import cpp.vm.Thread;
import nme.display.Sprite;
import nme.Lib;


class ThreadingExample extends Sprite {
	
	
	public function new () {
		
		super ();
		
		var first = Thread.create (onePlusOne);
		var second = Thread.create (process);
		
		first.sendMessage (second);
		
		trace ("This message will not wait for the result");
		
	}
	
	
	private function onePlusOne ():Void {
		
		var second = Thread.readMessage (true);
		second.sendMessage (1 + 1);
		
	}
	
	
	private function process ():Void {
		
		trace ("One plus one equals " + Thread.readMessage (true));
		
	}
	
	
}