rust-clippy/tests/ui/reversed_empty_ranges_fixable.fixed

// run-rustfix
#![warn(clippy::reversed_empty_ranges)]

const ANSWER: i32 = 42;

fn main() {
    let arr = [1, 2, 3, 4, 5];

    // These should be linted:

    (21..=42).rev().for_each(|x| println!("{}", x));
    let _ = (21..ANSWER).rev().filter(|x| x % 2 == 0).take(10).collect::<Vec<_>>();

    for _ in (-42..=-21).rev() {}
    for _ in (21u32..42u32).rev() {}

    let _ = &[] as &[i32];

    // These should be ignored as they are not empty ranges:

    (21..=42).for_each(|x| println!("{}", x));
    (21..42).for_each(|x| println!("{}", x));

    let _ = &arr[1..=3];
    let _ = &arr[1..3];

    for _ in 21..=42 {}
    for _ in 21..42 {}
}