RLMIterator public final class RLMIterator<T: Object>: IteratorProtocol An iterator for a RealmCollection instance. next() Advance to the next element and return it, or nil if no next element exists. Declaration Swift public func next() -> T? Show on GitHub © 2017 Realm. All rights reserved. (Last updated: 2017-01-27) Generated by jazzy ♪♫ v0.7.2, a Realm project.