Table of Contents

1. Welcome to Swift
   1. About Swift
   2. Version Compatibility
   3. A Swift Tour
2. Language Guide
   1. The Basics
   2. Basic Operators
   3. Strings and Characters
   4. Collection Types
   5. Control Flow
   6. Functions
   7. Closures
   8. Enumerations
   9. Structures and Classes
   10. Properties
   11. Methods
   12. Subscripts
   13. Inheritance
   14. Initialization
   15. Deinitialization
   16. Optional Chaining
   17. Error Handling
   18. Type Casting
   19. Nested Types
   20. Extensions
   21. Protocols
   22. Generics
   23. Opaque Types
   24. Automatic Reference Counting
   25. Memory Safety
   26. Access Control
   27. Advanced Operators
3. Language Reference
   1. About the Language Reference
   2. Lexical Structure
   3. Types
   4. Expressions
   5. Statements
   6. Declarations
   7. Attributes
   8. Patterns
   9. Generic Parameters and Arguments
   10. Summary of the Grammar
4. Revision History
   1. Document Revision History
5. Trademarks