1 var _index = new Hash();
  2 _index.set("a", "apple");
  3 _index.set("b", "blue");
  4 _index.set("c", "coffee");
  5 
  6 for (var p = _index.first(); p; p = _index.next()) {
  7     print(p.key+" is for "+p.value);
  8 }

var _index = new Hash();
_index.set("a", "apple");
_index.set("b", "blue");
_index.set("c", "coffee");

for (var p = _index.first(); p; p = _index.next()) {
    print(p.key+" is for "+p.value);
}