[rustc.git] / src / tools / clippy / tests / ui / writeln_empty_string.rs

// run-rustfix

#![allow(unused_must_use)]
#![warn(clippy::writeln_empty_string)]
use std::io::Write;

fn main() {
    let mut v = Vec::new();

    // These should fail
    writeln!(&mut v, "");

    let mut suggestion = Vec::new();
    writeln!(&mut suggestion, "");

    // These should be fine
    writeln!(&mut v);
    writeln!(&mut v, " ");
    write!(&mut v, "");
}
Commit	Line	Data
f20569fa XL	1	// run-rustfix
	2
	3	#![allow(unused_must_use)]
	4	#![warn(clippy::writeln_empty_string)]
	5	use std::io::Write;
	6
	7	fn main() {
	8	let mut v = Vec::new();
	9
	10	// These should fail
	11	writeln!(&mut v, "");
	12
	13	let mut suggestion = Vec::new();
	14	writeln!(&mut suggestion, "");
	15
	16	// These should be fine
	17	writeln!(&mut v);
	18	writeln!(&mut v, " ");
	19	write!(&mut v, "");
	20	}