1. 1. Welcome
2. 1. 1.1. Syntax
3. 2. A Basic Calculator
4. 1. 2.1. Integers
   2. 2.2. Variables
   3. 2.3. Branching: if/else
   4. 2.4. Panics
   5. 2.5. Factorial
   6. 2.6. Loops: while
   7. 2.7. Loops: for
   8. 2.8. Overflow and underflow
   9. 2.9. Saturating arithmetic
   10. 2.10. Conversions: as casting
5. 3. Ticket v1
6. 1. 3.1. Structs
   2. 3.2. Validation
   3. 3.3. Modules
   4. 3.4. Visibility
   5. 3.5. Encapsulation
   6. 3.6. Ownership
   7. 3.7. Setters
   8. 3.8. Stack
   9. 3.9. Heap
   10. 3.10. References in memory
   11. 3.11. Destructors
   12. 3.12. Outro
7. 4. Traits
8. 1. 4.1. Trait
   2. 4.2. Orphan rule
   3. 4.3. Operator overloading
   4. 4.4. Derive macros
   5. 4.5. Trait bounds
   6. 4.6. String slices
   7. 4.7. Deref trait
   8. 4.8. Sized trait
   9. 4.9. From trait
   10. 4.10. Associated vs generic types
   11. 4.11. Clone trait
   12. 4.12. Copy trait
   13. 4.13. Drop trait
   14. 4.14. Outro
9. 5. Ticket v2
10. 1. 5.1. Enums
    2. 5.2. Branching: match
    3. 5.3. Variants with data
    4. 5.4. Branching: if let and let/else
    5. 5.5. Nullability
    6. 5.6. Fallibility
    7. 5.7. Unwrap
    8. 5.8. Error enums
    9. 5.9. Error trait
    10. 5.10. Packages
    11. 5.11. Dependencies
    12. 5.12. thiserror
    13. 5.13. TryFrom trait
    14. 5.14. Error::source
    15. 5.15. Outro
11. 6. Ticket Management
12. 1. 6.1. Arrays
    2. 6.2. Vectors
    3. 6.3. Resizing
    4. 6.4. Iterators
    5. 6.5. Iter
    6. 6.6. Lifetimes
    7. 6.7. Combinators
    8. 6.8. impl Trait
    9. 6.9. impl Trait, pt.2
    10. 6.10. Slices
    11. 6.11. Mutable slices
    12. 6.12. Two states
    13. 6.13. Index trait
    14. 6.14. IndexMut trait
    15. 6.15. HashMap
    16. 6.16. BTreeMap
13. 7. Threads
14. 1. 7.1. Threads
    2. 7.2. 'static lifetime
    3. 7.3. Leaking memory
    4. 7.4. Scoped threads
    5. 7.5. Channels
    6. 7.6. Interior mutability
    7. 7.7. Ack pattern
    8. 7.8. Client
    9. 7.9. Bounded channels
    10. 7.10. Patching
    11. 7.11. Mutex, Send and Arc
    12. 7.12. RwLock
    13. 7.13. Without channels
    14. 7.14. Sync trait
15. 8. Futures
16. 1. 8.1. Asynchronous functions
    2. 8.2. Spawning tasks
    3. 8.3. Runtime
    4. 8.4. Future trait
    5. 8.5. Blocking the runtime
    6. 8.6. Async-aware primitives
    7. 8.7. Cancellation
    8. 8.8. Outro
17. 9. Going further