]> git.lizzy.rs Git - rust.git/blob - src/docs/unnecessary_fold.txt
[Arithmetic] Consider literals
[rust.git] / src / docs / unnecessary_fold.txt
1 ### What it does
2 Checks for using `fold` when a more succinct alternative exists.
3 Specifically, this checks for `fold`s which could be replaced by `any`, `all`,
4 `sum` or `product`.
5
6 ### Why is this bad?
7 Readability.
8
9 ### Example
10 ```
11 (0..3).fold(false, |acc, x| acc || x > 2);
12 ```
13
14 Use instead:
15 ```
16 (0..3).any(|x| x > 2);
17 ```