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

### What it does
This lint warns when you use `write!()` with a format
string that
ends in a newline.

### Why is this bad?
You should use `writeln!()` instead, which appends the
newline.

### Example
```
write!(buf, "Hello {}!\n", name);
```

Use instead:
```
writeln!(buf, "Hello {}!", name);
```
Commit	Line	Data
f2b60f7d FG	1	### What it does
	2	This lint warns when you use `write!()` with a format
	3	string that
	4	ends in a newline.
	5
	6	### Why is this bad?
	7	You should use `writeln!()` instead, which appends the
	8	newline.
	9
	10	### Example
	11	```
	12	write!(buf, "Hello {}!\n", name);
	13	```
	14
	15	Use instead:
	16	```
	17	writeln!(buf, "Hello {}!", name);
	18	```