Create an empty queue.
If initialCapacity
is given, prepare the queue for at least that many elements.
ListQueue([int initialCapacity]) : _head = 0, _tail = 0 { if (initialCapacity == null || initialCapacity < _INITIAL_CAPACITY) { initialCapacity = _INITIAL_CAPACITY; } else if (!_isPowerOf2(initialCapacity)) { initialCapacity = _nextPowerOf2(initialCapacity); } assert(_isPowerOf2(initialCapacity)); _table = List<E>(initialCapacity); }
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https://api.dart.dev/stable/2.5.0/dart-collection/ListQueue/ListQueue.html