Rename client/{dom,html} to lib/{dom,html} .

client/dom/templates/immutable_list_mixin.darttemplate

-  // -- start List<$E> mixins.
-  // $E is the element type.
-
-  // From Iterable<$E>:
-
-  Iterator<$E> iterator() {
-    // Note: NodeLists are not fixed size. And most probably length shouldn't
-    // be cached in both iterator _and_ forEach method. For now caching it
-    // for consistency.
-    return new _FixedSizeListIterator<$E>(this);
-  }
-
-  // From Collection<$E>:
-
-  void add($E value) {
-    throw new UnsupportedOperationException("Cannot add to immutable List.");
-  }
-
-  void addLast($E value) {
-    throw new UnsupportedOperationException("Cannot add to immutable List.");
-  }
-
-  void addAll(Collection<$E> collection) {
-    throw new UnsupportedOperationException("Cannot add to immutable List.");
-  }
-
-  void forEach(void f($E element)) => _Collections.forEach(this, f);
-
-  Collection map(f($E element)) => _Collections.map(this, [], f);
-
-  Collection<$E> filter(bool f($E element)) =>
-     _Collections.filter(this, <$E>[], f);
-
-  bool every(bool f($E element)) => _Collections.every(this, f);
-
-  bool some(bool f($E element)) => _Collections.some(this, f);
-
-  bool isEmpty() => this.length == 0;
-
-  // From List<$E>:
-
-  void sort(int compare($E a, $E b)) {
-    throw new UnsupportedOperationException("Cannot sort immutable List.");
-  }
-
-  int indexOf($E element, [int start = 0]) =>
-      _Lists.indexOf(this, element, start, this.length);
-
-  int lastIndexOf($E element, [int start = 0]) =>
-      _Lists.lastIndexOf(this, element, start);
-
-  $E last() => this[length - 1];
-
-  // FIXME: implement thesee.
-  void setRange(int start, int length, List<$E> from, [int startFrom]) {
-    throw new UnsupportedOperationException("Cannot setRange on immutable List.");
-  }
-  void removeRange(int start, int length) {
-    throw new UnsupportedOperationException("Cannot removeRange on immutable List.");
-  }
-  void insertRange(int start, int length, [$E initialValue]) {
-    throw new UnsupportedOperationException("Cannot insertRange on immutable List.");
-  }
-  List<$E> getRange(int start, int length) =>
-      _Lists.getRange(this, start, length, <$E>[]);
-
-  // -- end List<$E> mixins.