package
{
	import flash.display.Sprite;
	
	public class ClosureAS3 extends Sprite
	{
		public function ClosureAS3()
		{
			init() //giv-em-the-jit :)
		}
		
		public function init():void
		{
			//create a counter
			var counter1:Function = newCounter();
			trace( counter1() ); //1
			trace( counter1() ); //2
			trace( counter1() ); //3
			var counter2:Function = newCounter();
			trace( counter2() ); //1
			trace( counter2() ); //2
			trace( counter1() ); //4 --> scope of i is still with counter1...cool! :)
		}
		
		public function newCounter():Function
		{
			var i:int = 0; //variable i gets bound into returned anonymous function via method Closure
			return function():int
			{
				//i is available to the scope of the anonymous function
				i=i+1;
				return i;
			}
		}		
	}
}