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/Dart 2

difference method

Set<E> difference (Set<Object> other)

Implementation

Set<E> difference(Set<Object> other) {
  Set<E> result = new SplayTreeSet<E>(_comparator, _validKey);
  for (E element in this) {
    if (!other.contains(element)) result.add(element);
  }
  return result;
}

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-collection/SplayTreeSet/difference.html