| % Iterators |
| |
| <small>There is a new edition of the book and this is an old link.</small> |
| |
| > The iterator pattern allows you to perform some task on a sequence of items in turn. |
| > An iterator is responsible for the logic of iterating over each item and determining when the sequence has finished. |
| |
| ```rust |
| let v1 = vec![1, 2, 3]; |
| |
| let v1_iter = v1.iter(); |
| |
| for val in v1_iter { |
| println!("Got: {val}"); |
| } |
| ``` |
| |
| --- |
| |
| Here are the relevant sections in the new and old books: |
| |
| * **[in the current edition: Ch 13.02 — Iterators][2]** |
| * <small>[In the first edition: Ch 4.5 — Iterators][1]</small> |
| |
| |
| [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/iterators.html |
| [2]: ch13-02-iterators.html |