tink_reactive binding example

BindingsExample.hx

package ;

import flash.display.DisplayObjectContainer;
import flash.events.Event;
import flash.Lib;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFieldType;
import haxe.PosInfos;
import haxe.Timer;
import tink.lang.Cls;

using tink.reactive.bindings.BindingTools;
/**
 * ...
 * @author back2dos
 */

class BindingsExample {
	static function main() {
		var tf = new TextField();
		tf.autoSize = TextFieldAutoSize.LEFT;
		var ticker = new Ticker(1);
		tf.text = 'foo';
		Lib.current.addChild(tf);
		
		var firstName = new Input(Lib.current, 50, 50, 'Firstname');
		var lastName = new Input(Lib.current, 50, 70, 'Lastname');
		tf.text.bindExpr(Std.format('Hello ${firstName.text} ${lastName.text}! ${ticker.tick} seconds elapsed since you launched this app. And here\'s a bunch of useless numbers: ${{var a = []; for (i in 0...ticker.tick%5+1) a.push(i); a.join(", ");}}'));
	}
}
class Input implements Cls {
	var tf:TextField;
	@:bindable @:prop(tf.text, tf.text = param) var text:String;
	public function new(parent:DisplayObjectContainer, x:Int, y:Int, ?text:String = '') {		
		this.tf = new TextField();
		tf.background = tf.border = true;
		tf.multiline = false;
		tf.width = 150;
		tf.height = 20;
		tf.x = x;
		tf.y = y;
		tf.type = TextFieldType.INPUT;
		parent.addChild(tf);
		this.text = text;
		tf.addEventListener(Event.CHANGE, function (_) {
			bindings.fire('text');
		});
	}
}
class Ticker implements Cls {
	@:bindable var tick:Int = 0;
	public function new(tickRate:Int) {
		var t = new Timer(Std.int(1000 / tickRate));
		t.run = function () tick++;
	}
}

I'm getting this error:

./BasicDemo.hx:47: characters 0-13 : tink.reactive.bindings.Signaller has no field fire

Is this demo still functional? I'm using tink_reactive 0.2.1

I'm also interested in seeing working sample.