rust/tests/ui/reversed_empty_ranges_fixable.fixed

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2020-05-11 00:52:33 +02:00
// run-rustfix
#![warn(clippy::reversed_empty_ranges)]
const ANSWER: i32 = 42;
fn main() {
(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() {}
// 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, 2, 3, 4, 5];
let _ = &arr[1..=3];
let _ = &arr[1..3];
for _ in 21..=42 {}
for _ in 21..42 {}
}