| % Generics |
| |
| <small>There is a new edition of the book and this is an old link.</small> |
| |
| > Generics are abstract stand-ins for concrete types or other properties. |
| |
| ```rust |
| struct Point<T, U> { |
| x: T, |
| y: U, |
| } |
| |
| fn main() { |
| let both_integer = Point { x: 5, y: 10 }; |
| let both_float = Point { x: 1.0, y: 4.0 }; |
| let integer_and_float = Point { x: 5, y: 4.0 }; |
| } |
| ``` |
| |
| --- |
| |
| Here are the relevant sections in the new and old books: |
| |
| * **[in the current edition: Ch 10.00 — Generic Types, Traits, and Lifetimes][2]** |
| * <small>[In the first edition: Ch 3.18 — Generics][1]</small> |
| |
| |
| [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/generics.html |
| [2]: ch10-00-generics.html |
| |
