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21 lines
1.0 KiB
Plaintext
21 lines
1.0 KiB
Plaintext
error[E0700]: hidden type for `impl Iterator<Item = i32>` captures lifetime that does not appear in bounds
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--> $DIR/explicit-lifetime-suggestion-in-proper-span-issue-121267.rs:7:5
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LL | fn bar(src: &crate::Foo) -> impl Iterator<Item = i32> {
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| ---------- ------------------------- opaque type defined here
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| hidden type `FilterMap<std::slice::Iter<'static, i32>, {closure@$DIR/explicit-lifetime-suggestion-in-proper-span-issue-121267.rs:9:21: 9:24}>` captures the anonymous lifetime defined here
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LL | / [0].into_iter()
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LL | |
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LL | | .filter_map(|_| foo(src))
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| |_________________________________^
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help: to declare that `impl Iterator<Item = i32>` captures `'_`, you can introduce a named lifetime parameter `'a`
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LL | fn bar<'a>(src: &'a crate::Foo<'a>) -> impl Iterator<Item = i32> + 'a {
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| ++++ ++ ++++ ++++
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0700`.
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