[rustc.git] / src / tools / clippy / src / docs / double_neg.txt

### What it does
Detects expressions of the form `--x`.

### Why is this bad?
It can mislead C/C++ programmers to think `x` was
decremented.

### Example
```
let mut x = 3;
--x;
```
Commit	Line	Data
f2b60f7d FG	1	### What it does
	2	Detects expressions of the form `--x`.
	3
	4	### Why is this bad?
	5	It can mislead C/C++ programmers to think `x` was
	6	decremented.
	7
	8	### Example
	9	```
	10	let mut x = 3;
	11	--x;
	12	```