With the final version of Swift 3.0 soon to be announced, the algorithms project has been updated to reflect the latest standard.
Available as a free update for existing 2nd edition readers, version 2.1 includes enhanced code samples that support the latest Swift 3.0 syntax (introduced with Xcode 8.0 beta 6). These include minor functional changes to
inout parameters, optionals, cast operations and
These changes are now available in digital book and Xcode Playground format. Not sure about your copy? If you've made a 2nd edition purchase, you should have recently received an email on how to download the latest files. To verify your version, check the "Copyright" section for the version number.