# Exercise to Book Chapter mapping

| Exercise        | Book Chapter |
| --------------- | ------------ |
| variables       | §3.1         |
| functions       | §3.3         |
| if              | §3.5         |
| primitive_types | §3.2, §4.3   |
| vecs            | §8.1         |
| move_semantics  | §4.1-2       |
| structs         | §5.1, §5.3   |
| enums           | §6, §18.3    |
| strings         | §8.2         |
| modules         | §7           |
| hashmaps        | §8.3         |
| options         | §10.1        |
| error_handling  | §9           |
| generics        | §10          |
| traits          | §10.2        |
| lifetimes       | §10.3        |
| tests           | §11.1        |
| iterators       | §13.2-4      |
| smart_pointers  | §15, §16.3   |
| threads         | §16.1-3      |
| conversions     | n/a          |