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

//@run-rustfix
#![warn(clippy::iter_next_slice)]
#![allow(clippy::useless_vec)]

fn main() {
    // test code goes here
    let s = [1, 2, 3];
    let v = vec![1, 2, 3];

    let _ = s.iter().next();
    // Should be replaced by s.first()

    let _ = s[2..].iter().next();
    // Should be replaced by s.get(2)

    let _ = v[5..].iter().next();
    // Should be replaced by v.get(5)

    let _ = v.iter().next();
    // Should be replaced by v.first()

    let o = Some(5);
    o.iter().next();
    // Shouldn't be linted since this is not a Slice or an Array
}
Commit	Line	Data
49aad941	1	//@run-rustfix
f20569fa	2	#![warn(clippy::iter_next_slice)]
fe692bf9	3	#![allow(clippy::useless_vec)]
f20569fa XL	4
	5	fn main() {
	6	// test code goes here
	7	let s = [1, 2, 3];
	8	let v = vec![1, 2, 3];
	9
5e7ed085	10	let _ = s.iter().next();
923072b8	11	// Should be replaced by s.first()
f20569fa	12
5e7ed085	13	let _ = s[2..].iter().next();
f20569fa XL	14	// Should be replaced by s.get(2)
f20569fa XL	15
5e7ed085	16	let _ = v[5..].iter().next();
f20569fa XL	17	// Should be replaced by v.get(5)
f20569fa XL	18
5e7ed085	19	let _ = v.iter().next();
923072b8	20	// Should be replaced by v.first()
f20569fa XL	21
	22	let o = Some(5);
	23	o.iter().next();
	24	// Shouldn't be linted since this is not a Slice or an Array
	25	}