Queue - FIFO

---

• Ordered
• Efficient add/remove from head/tail
• No index access

examples/dart-intro/queue.dart

import 'dart:collection';

main() {
  Queue dentist = new Queue();

  dentist.addLast("Foo");
  dentist.addLast("Bar");
  print(dentist.removeFirst()); // Foo
  print(dentist.removeFirst()); // Bar
}