[rustc.git] / src / tools / clippy / tests / ui / map_identity.fixed

// run-rustfix
#![warn(clippy::map_identity)]
#![allow(clippy::needless_return)]

fn main() {
    let x: [u16; 3] = [1, 2, 3];
    // should lint
    let _: Vec<_> = x.iter().map(not_identity).collect();
    let _: Vec<_> = x.iter().collect();
    let _: Option<u8> = Some(3);
    let _: Result<i8, f32> = Ok(-3);
    // should not lint
    let _: Vec<_> = x.iter().map(|x| 2 * x).collect();
    let _: Vec<_> = x.iter().map(not_identity).map(|x| return x - 4).collect();
    let _: Option<u8> = None.map(|x: u8| x - 1);
    let _: Result<i8, f32> = Err(2.3).map(|x: i8| {
        return x + 3;
    });
}

fn not_identity(x: &u16) -> u16 {
    *x
}
Commit	Line	Data
f20569fa XL	1	// run-rustfix
	2	#![warn(clippy::map_identity)]
	3	#![allow(clippy::needless_return)]
	4
	5	fn main() {
	6	let x: [u16; 3] = [1, 2, 3];
	7	// should lint
	8	let _: Vec<_> = x.iter().map(not_identity).collect();
	9	let _: Vec<_> = x.iter().collect();
	10	let _: Option<u8> = Some(3);
	11	let _: Result<i8, f32> = Ok(-3);
	12	// should not lint
	13	let _: Vec<_> = x.iter().map(\|x\| 2 * x).collect();
	14	let _: Vec<_> = x.iter().map(not_identity).map(\|x\| return x - 4).collect();
	15	let _: Option<u8> = None.map(\|x: u8\| x - 1);
	16	let _: Result<i8, f32> = Err(2.3).map(\|x: i8\| {
	17	return x + 3;
	18	});
	19	}
	20
	21	fn not_identity(x: &u16) -> u16 {
	22	*x
	23	}