| % Enums | |
| <small>There is a new edition of the book and this is an old link.</small> | |
| > Enums allow you to define a type by enumerating its possible values. | |
| ```rust | |
| enum IpAddrKind { | |
| V4, | |
| V6, | |
| } | |
| ``` | |
| --- | |
| Here are the relevant sections in the new and old books: | |
| * **[in the current edition: Ch 6.01 — Defining an Enum][2]** | |
| * <small>[In the first edition: Ch 3.13 — Enums][1]</small> | |
| [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/enums.html | |
| [2]: ch06-01-defining-an-enum.html |