rust/tests/ui/higher-rank-trait-bounds/hrtb-malformed-lifetime-generics.stderr
2023-01-11 09:32:08 +00:00

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error: `Fn` traits cannot take lifetime parameters
--> $DIR/hrtb-malformed-lifetime-generics.rs:4:17
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LL | fn fa(_: impl Fn<'a>(&'a str) -> bool) {}
| ^^^^
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help: consider using a higher-ranked trait bound instead
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LL - fn fa(_: impl Fn<'a>(&'a str) -> bool) {}
LL + fn fa(_: impl for<'a> Fn(&'a str) -> bool) {}
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error: `Fn` traits cannot take lifetime parameters
--> $DIR/hrtb-malformed-lifetime-generics.rs:7:20
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LL | fn fb(_: impl FnMut<'a, 'b>(&'a str, &'b str) -> bool) {}
| ^^^^^^^^
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help: consider using a higher-ranked trait bound instead
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LL - fn fb(_: impl FnMut<'a, 'b>(&'a str, &'b str) -> bool) {}
LL + fn fb(_: impl for<'a, 'b> FnMut(&'a str, &'b str) -> bool) {}
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error: `Fn` traits cannot take lifetime parameters
--> $DIR/hrtb-malformed-lifetime-generics.rs:10:41
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LL | fn fc(_: impl std::fmt::Display + FnOnce<'a>(&'a str) -> bool + std::fmt::Debug) {}
| ^^^^
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help: consider using a higher-ranked trait bound instead
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LL - fn fc(_: impl std::fmt::Display + FnOnce<'a>(&'a str) -> bool + std::fmt::Debug) {}
LL + fn fc(_: impl std::fmt::Display + for<'a> FnOnce(&'a str) -> bool + std::fmt::Debug) {}
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error: `Fn` traits cannot take lifetime parameters
--> $DIR/hrtb-malformed-lifetime-generics.rs:14:24
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LL | fn fd(_: impl AliasedFn<'a>(&'a str) -> bool) {}
| ^^^^
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help: consider using a higher-ranked trait bound instead
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LL - fn fd(_: impl AliasedFn<'a>(&'a str) -> bool) {}
LL + fn fd(_: impl for<'a> AliasedFn(&'a str) -> bool) {}
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error: `Fn` traits cannot take lifetime parameters
--> $DIR/hrtb-malformed-lifetime-generics.rs:17:27
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LL | fn fe<F>(_: F) where F: Fn<'a>(&'a str) -> bool {}
| ^^^^
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help: consider using a higher-ranked trait bound instead
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LL - fn fe<F>(_: F) where F: Fn<'a>(&'a str) -> bool {}
LL + fn fe<F>(_: F) where F: for<'a> Fn(&'a str) -> bool {}
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error: aborting due to 5 previous errors