addAll method

Description addAll (String start, String separator, String end, Iterable list)
override

Append an Iterable list of objects to the description, using the specified separator and framing the list with start and end.

Implementation 

Description addAll(
    String start, String separator, String end, Iterable list) {
  var separate = false;
  add(start);
  for (var item in list) {
    if (separate) {
      add(separator);
    }
    addDescriptionOf(item);
    separate = true;
  }
  add(end);
  return this;
}