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/Dart 2

contains method

bool contains (Object element)

Implementation

bool contains(Object element) {
  return _validKey(element) && _splay(element) == 0;
}

© 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/contains.html