33 lines
1.0 KiB
Rust
33 lines
1.0 KiB
Rust
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// run-rustfix
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#![warn(clippy::iter_once)]
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#![allow(clippy::iter_next_slice, clippy::redundant_clone)]
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fn array() {
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assert_eq!([123].into_iter().next(), Some(123));
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assert_eq!([123].iter_mut().next(), Some(&mut 123));
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assert_eq!([123].iter().next(), Some(&123));
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assert_eq!(Some(123).into_iter().next(), Some(123));
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assert_eq!(Some(123).iter_mut().next(), Some(&mut 123));
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assert_eq!(Some(123).iter().next(), Some(&123));
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// Don't trigger on non-iter methods
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let _: Option<String> = Some("test".to_string()).clone();
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let _: [String; 1] = ["test".to_string()].clone();
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}
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macro_rules! in_macros {
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() => {
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assert_eq!([123].into_iter().next(), Some(123));
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assert_eq!([123].iter_mut().next(), Some(&mut 123));
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assert_eq!([123].iter().next(), Some(&123));
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assert_eq!(Some(123).into_iter().next(), Some(123));
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assert_eq!(Some(123).iter_mut().next(), Some(&mut 123));
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assert_eq!(Some(123).iter().next(), Some(&123));
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};
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}
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fn main() {
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array();
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in_macros!();
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}
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