Swift From Two to Three
Swift From Two to Three
About the Book
Swift 3 is a major, breaking language change. Are you ready to make the jump? Let "Swift From Two to Three" help you along the way. From migrating your code, updating your style, and adopting new Swift features, this book ushers you into the newly refreshed language. Learn what changed, why it changed, and how you can update your code using this hands-on guide that covers all the major difference with plenty of examples and insight.
Bundles that include this book
Table of Contents
Swiftory
- Swift's Background
- An Evolving Language
- From 2 to 3
- Swift History
- Denial, Anger, Bargaining, and Acceptance
- Learning Swift
Migration
- How to Migrate
- Swift 2.3 and Swift 3.0
- Migration Lessons
Swift 2 to 3
- Access Control
- Open Access for Classes
- First Parameter Argument Labels
- Default Parameter Order
- Removing Argument Labels from Types
- Required Parameter Parentheses
- Improved Operator Precedence
- Operator Implementations in Types
- Operator and Comment Interaction
- Updated Conditions
- Moving Generic `where` Clauses
- Declaring Compound Protocols
- Generic Type Aliases
- Keyword-named Members
Cocoa Interop
- Automated Framework API Changes
- API Pruning
- Imported Boolean Properties
- Imported APIs and Default Arguments
- Structural Import Changes
- Importing Objective-C `id`
- Errors and NSError
- Abolishing the ImplicitlyUnwrappedOptional Type
- Hoisting
- Explicit Bridging Conversions
- Objective-C Options and Constants
- Property Selectors
- Key Paths
- Other Import Changes
Standard Library and Swift Foundation
- API Guidelines
- Lower Case Enumerations for Apple APIs
- Swift Foundation Value Types
- Inspecting Values and Types
- Pointer Nullability
- Accessing Raw Untyped Memory
- The Never Type
- New Sequence Functions
- Removing Optional Comparisons
- Building Strings from UTF8 Units
- Indexing Collections
- Dispatch
- Standard Library API Changes
Swift 2 to Swift 2.3
- For Loops, Increments and Decrements
- Associated Types
- Compile Time Version Checks
- Eliminating parameter backticks
- Compile-time Selectors Checks
- Naming Functions with Argument Labels
- Tuple Comparisons
- Goodbye to Tuple Splat
- Var Parameter Deprecation
- Redesigning Currying
- Debug identifiers are renamed
- Dot Operators
- Upgrading AnyGenerator
- And more…
Swift 3 to 3.1
- Adding `prefix(while:)` and `drop(while:)` to the Standard Library
Major Swift 3 and 4 announcements
- Swift 3.0 Release Process
- Swift ABI Stability Deferred
- Swift 3 Endgame and Swift 4 Kickoff
- Ending Swift 3 Source Breaking Changes
- Wrapping up Swift 3 and starting Swift 4
Revision History
Also By This Author
Other books by this author
The Leanpub 60 Day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
Now, this is technically risky for us, since you'll have the book or course files either way. But we're so confident in our products and services, and in our authors and readers, that we're happy to offer a full money back guarantee for everything we sell.
You can only find out how good something is by trying it, and because of our 100% money back guarantee there's literally no risk to do so!
So, there's no reason not to click the Add to Cart button, is there?
See full terms...
Earn $8 on a $10 Purchase, and $16 on a $20 Purchase
We pay 80% royalties on purchases of $7.99 or more, and 80% royalties minus a 50 cent flat fee on purchases between $0.99 and $7.98. You earn $8 on a $10 sale, and $16 on a $20 sale. So, if we sell 5000 non-refunded copies of your book for $20, you'll earn $80,000.
(Yes, some authors have already earned much more than that on Leanpub.)
In fact, authors have earnedover $14 millionwriting, publishing and selling on Leanpub.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them