forked from: なんでこれコンパイルエラーなの？

/**
 * Copyright shohei909 ( http://wonderfl.net/user/shohei909 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/p3v7
 */

// forked from 9balls's なんでこれコンパイルエラーなの？
package {
    import flash.text.TextFieldAutoSize;
    import flash.text.TextField;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            var tf:TextField = new TextField();
            tf.autoSize = TextFieldAutoSize.LEFT
            addChild(tf);
            //
            tf.appendText( String( "" + 2 - 1 ) ); //-1
            tf.appendText( "\n" );
            tf.appendText( String( "1" + 0 - 1 ) ); //9
            tf.appendText( "\n" );
            tf.appendText( String( 1 + "" + 0 - 1 ) ); //9
            tf.appendText( "\n" );
            tf.appendText( String( "" + 1 + 0 - 1 ) ); //9
            tf.appendText( "\n" );
            tf.appendText( String( "" + "" + 1 + 0 - 1 ) ); //9
            tf.appendText( "\n" ); 
            tf.appendText( String( new String("") + 2 + 1 ) ); 
            //tf.appendText( String( 1 + "" + "" + 2 - 1 ) );
            //tf.appendText( String( "" + 1 + "" + 2 - 1 ) );
            //tf.appendText( String( new String("") + 2 - 1 ) );
        }
    }
}