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

### What it does
Checks for out of bounds array indexing with a constant
index.

### Why is this bad?
This will always panic at runtime.

### Example
```
let x = [1, 2, 3, 4];

x[9];
&x[2..9];
```

Use instead:
```
// Index within bounds

x[0];
x[3];
```
Commit	Line	Data
f2b60f7d FG	1	### What it does
	2	Checks for out of bounds array indexing with a constant
	3	index.
	4
	5	### Why is this bad?
	6	This will always panic at runtime.
	7
	8	### Example
	9	```
	10	let x = [1, 2, 3, 4];
	11
	12	x[9];
	13	&x[2..9];
	14	```
	15
	16	Use instead:
	17	```
	18	// Index within bounds
	19
	20	x[0];
	21	x[3];
	22	```