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https://github.com/rust-lang/rust-clippy
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47 lines
1.9 KiB
Text
47 lines
1.9 KiB
Text
error: `into_iter` call on an empty collection
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--> tests/ui/iter_on_empty_collections.rs:5:16
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LL | assert_eq!([].into_iter().next(), Option::<i32>::None);
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| ^^^^^^^^^^^^^^ help: try: `std::iter::empty()`
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= note: `-D clippy::iter-on-empty-collections` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::iter_on_empty_collections)]`
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error: `iter_mut` call on an empty collection
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--> tests/ui/iter_on_empty_collections.rs:6:16
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LL | assert_eq!([].iter_mut().next(), Option::<&mut i32>::None);
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| ^^^^^^^^^^^^^ help: try: `std::iter::empty()`
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error: `iter` call on an empty collection
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--> tests/ui/iter_on_empty_collections.rs:7:16
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LL | assert_eq!([].iter().next(), Option::<&i32>::None);
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| ^^^^^^^^^ help: try: `std::iter::empty()`
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error: `into_iter` call on an empty collection
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--> tests/ui/iter_on_empty_collections.rs:8:16
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LL | assert_eq!(None.into_iter().next(), Option::<i32>::None);
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| ^^^^^^^^^^^^^^^^ help: try: `std::iter::empty()`
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error: `iter_mut` call on an empty collection
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--> tests/ui/iter_on_empty_collections.rs:9:16
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LL | assert_eq!(None.iter_mut().next(), Option::<&mut i32>::None);
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| ^^^^^^^^^^^^^^^ help: try: `std::iter::empty()`
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error: `iter` call on an empty collection
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--> tests/ui/iter_on_empty_collections.rs:10:16
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LL | assert_eq!(None.iter().next(), Option::<&i32>::None);
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| ^^^^^^^^^^^ help: try: `std::iter::empty()`
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error: `iter` call on an empty collection
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--> tests/ui/iter_on_empty_collections.rs:28:66
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LL | for i in smth.as_ref().map_or([].iter(), |s| s.iter()).chain([].iter()) {
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| ^^^^^^^^^ help: try: `std::iter::empty()`
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error: aborting due to 7 previous errors
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