This isn't Apple Swift from what I can tell. Looks like another language, right? Cached version here:<p><a href="http://webcache.googleusercontent.com/search?q=cache:http://swift-lang.org/&qscrl=1" rel="nofollow">http://webcache.googleusercontent.com/search?q=cache:http://...</a>
It just worked for me, but its down now. The link is here: <a href="https://developer.apple.com/swift/" rel="nofollow">https://developer.apple.com/swift/</a>