1. Introduction
3. Part 1: Foundation (Features 1-9)
4. 1. Basic Syntax
5. 1. 1.1. Literals
   2. 1.2. Variables & Assignment
   3. 1.3. Comments
6. 2. Operators
7. 1. 2.1. Arithmetic Operators
   2. 2.2. Comparison Operators
   3. 2.3. Logical Operators
   4. 2.4. Bitwise Operators
8. 3. Control Flow
9. 1. 3.1. If-Else Expressions
   2. 3.2. Match Expressions
   3. 3.3. For Loops
   4. 3.4. While Loops
   5. 3.5. Loop Control (break/continue)
11. Part 2: Functions & Data (Features 10-20)
12. 4. Functions
13. 1. 4.1. Function Definitions
    2. 4.2. Parameters & Return Values
    3. 4.3. Closures & Lambdas
    4. 4.4. Higher-Order Functions
14. 5. Data Structures
15. 1. 5.1. Arrays
    2. 5.2. Tuples
    3. 5.3. Objects/Maps
    4. 5.4. Structs
    5. 5.5. Enums
17. Part 3: Advanced Features (Features 21-30)
18. 6. Pattern Matching
19. 1. 6.1. Destructuring
    2. 6.2. Guards
    3. 6.3. Exhaustiveness
20. 7. Error Handling
21. 1. 7.1. Try-Catch
    2. 7.2. Option Type
    3. 7.3. Result Type
22. 8. String Features
23. 1. 8.1. String Interpolation
    2. 8.2. String Methods
    3. 8.3. String Escaping
25. Part 4: Standard Library (Features 26-30)
26. 9. Standard Library
27. 1. 9.1. Collections
    2. 9.2. Iterators
    3. 9.3. I/O Operations
    4. 9.4. Math Functions
    5. 9.5. Time & Date
29. Part 5: Advanced Features (Features 31-42)
30. 10. Advanced Features
31. 1. 10.1. Generics
    2. 10.2. Traits
    3. 10.3. Lifetimes
    4. 10.4. Async/Await
    5. 10.5. Futures
    6. 10.6. Concurrency
    7. 10.7. FFI & Unsafe
    8. 10.8. Macros
    9. 10.9. Metaprogramming
    10. 10.10. Advanced Patterns
    11. 10.11. Optimization
    12. 10.12. Testing
33. Part 6: Quality Proof
34. 11. Testing & Validation
35. 1. 11.1. Test Coverage Report
    2. 11.2. Mutation Testing Report
    3. 11.3. E2E Test Report
    4. 11.4. WASM Validation
36. Conclusion