You can get an overview in the prerelease version of the Swift book - https://itunes.apple.com/us/book/swift-programming-language/id1002622538?mt=11 https://itu

You can get an overview in the prerelease version of the Swift book - https://itunes.apple.com/us/book/swift-programming-language/id1002622538?mt=11 https://itunes.apple.com/us/book/swift-programming-language/...