package by.flastar.utils 
{
	/**
	 * ...
	 * @author Sergey Gonchar
	 */
	public class Stack 
	{
		private var _stack:Array = [];
		
		public function Stack()
		{
			_stack = [];
		}
		public function addItem(e:*):void
		{
			if (e)
			{
				_stack.push(e);
			}
		}
		public function clearStack():void
		{
			_stack = [];
		}
		public function removeLastItem():*
		{
			return _stack.pop();
			
		}
		public function removeItem(e:*):*
		{
			var b:*;
			if (e)
			{
				for (var d:int = _stack.length; d > _stack.lastIndexOf(e); d-- )
				{
					b = _stack.pop();
				}
			}
			return b;
		}
		public function get length():int 
		{
			return _stack.length;
		}
		public function get lastItem():*
		{
			return _stack[_stack.length-1];
		}
	}
}