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

### What it does
Checks for unnecessary double parentheses.

### Why is this bad?
This makes code harder to read and might indicate a
mistake.

### Example
```
fn simple_double_parens() -> i32 {
    ((0))
}

foo((0));
```

Use instead:
```
fn simple_no_parens() -> i32 {
    0
}

foo(0);
```
Commit	Line	Data
f2b60f7d FG	1	### What it does
	2	Checks for unnecessary double parentheses.
	3
	4	### Why is this bad?
	5	This makes code harder to read and might indicate a
	6	mistake.
	7
	8	### Example
	9	```
	10	fn simple_double_parens() -> i32 {
	11	((0))
	12	}
	13
	14	foo((0));
	15	```
	16
	17	Use instead:
	18	```
	19	fn simple_no_parens() -> i32 {
	20	0
	21	}
	22
	23	foo(0);
	24	```