Get rid of a lot of () for getters.

samples/swarm/BiIterator.dart

 /**
  * An iterator that allows the user to move forward and backward though
  * a set of items. (Bi-directional)
  */
 class BiIterator<E> {
   
   /** 
    * Provides forward and backward iterator functionality to keep track
    * which item is currently selected.
    */
@@ skipping 19 matching lines @@
     if (currentIndex.value < list.length - 1) {
       currentIndex.value += 1;
     }
     return list[currentIndex.value];
   }
 
   /** 
    * Returns the current Section (page in the UI) that the user is 
    * looking at.
    */
-  E get current() {
+  E get current {
     return list[currentIndex.value];
   }
 
   /** 
    * Returns the previous section from the sections, given the current 
    * position. Returns the front section if we are already at the front of 
    * the list.
    */
   E previous() {
     if (currentIndex.value > 0) {
       currentIndex.value -= 1;
     }
     return list[currentIndex.value];
   }
 
   /** 
    * Move the iterator pointer over so that it points to a given list item.
    */
   void jumpToValue(E val) {
     for (int i = 0; i < list.length; i++) {
       if (list[i] === val) {
         currentIndex.value = i;
         break;
       }
     }
   }
 }