src/tools/clippy/src/docs/flat_map_identity.txt


1
2
3
4
5
6
7
8
9
10
11
12
13
14

### What it does
Checks for usage of `flat_map(|x| x)`.

### Why is this bad?
Readability, this can be written more concisely by using `flatten`.

### Example
```
iter.flat_map(|x| x);
```
Can be written as
```
iter.flatten();
```