mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-09-20 14:41:58 +00:00
29 lines
738 B
Rust
29 lines
738 B
Rust
#![warn(clippy::reversed_empty_ranges)]
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#![allow(clippy::uninlined_format_args)]
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const ANSWER: i32 = 42;
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fn main() {
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// These should be linted:
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(21..=42).rev().for_each(|x| println!("{}", x));
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let _ = (21..ANSWER).rev().filter(|x| x % 2 == 0).take(10).collect::<Vec<_>>();
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for _ in (-42..=-21).rev() {}
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for _ in (21u32..42u32).rev() {}
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// These should be ignored as they are not empty ranges:
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(21..=42).for_each(|x| println!("{}", x));
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(21..42).for_each(|x| println!("{}", x));
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let arr = [1, 2, 3, 4, 5];
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let _ = &arr[1..=3];
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let _ = &arr[1..3];
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for _ in 21..=42 {}
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for _ in 21..42 {}
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// This range is empty but should be ignored, see issue #5689
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let _ = &arr[0..0];
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}
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