Make first and last getters.

samples/calculator/calculator.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #import('dart:html');
 #import('dart:math', prefix: 'Math');
 #source('tape.dart');
 #source('settings.dart');
 #source('calcui.dart');
 
@@ skipping 61 matching lines @@
   document.on.keyUp.add((e) {
     processKeyEvent(e);
   });
 
   document.on.click.add((MouseEvent e) {
     bool wasOpened = mySettings.isOpen;
 
     // If settings dialog is open close it.
     mySettings.close(e);
 
-    renderPad(document.body.elements.last());
+    renderPad(document.body.elements.last);
     if (wasOpened) {
       removePadEvents();
       addPadEvents();
     }
   });
 }
 
 void addPadEvents() {
   // Hook-up number key events:
   padUI.keyZero.on.click.add((MouseEvent e) { doCalc(48); });
@@ skipping 53 matching lines @@
     }
     padUI = new ButtonPadUI();
     update = true;
   }
 
   if (update) {
     // Update calculator pad.
 
     // Remove previous pad UI
     if (parentElement.elements.length > 1) {
-      parentElement.elements.last().remove();
+      parentElement.elements.last.remove();
     }
 
     // Add new pad UI.
     parentElement.elements.add(padUI.root);
   }
 }
 
 /**
  * Controls the logic of how to respond to keypresses and then update the
  * UI accordingly.
@@ skipping 208 matching lines @@
   renderPad(element);
 
   // Render the UI.
   document.body.elements.add(element);
 
   currentRegister = "";
   total = 0.0;
 
   setupEvents();
 }