public func arrayToBuffer<T>(arr : [T]) : Buffer.Buffer<T>public func dequeFromArray<A>(values : [A]) : Deque.Deque<A>public func appendArrayToDeque<A>(deque : Deque.Deque<A>, values : [A]) : Deque.Deque<A>public func dequeToIter<A>(deque : Deque.Deque<A>) : Iter.Iter<A>public func dequeToArray<A>(deque : Deque.Deque<A>) : [A]public func optDequeToArray<A>(deque : ?Deque.Deque<A>) : [A]