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error: lifetime bounds may not be parenthesized
--> $DIR/trait-object-lifetime-parens.rs:9:21
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LL | fn f<'a, T: Trait + ('a)>() {}
| ^^^^
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help: remove the parentheses
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LL - fn f<'a, T: Trait + ('a)>() {}
LL + fn f<'a, T: Trait + 'a>() {}
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error: lifetime bounds may not be parenthesized
--> $DIR/trait-object-lifetime-parens.rs:12:24
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LL | let _: Box<Trait + ('a)>;
| ^^^^
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help: remove the parentheses
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LL - let _: Box<Trait + ('a)>;
LL + let _: Box<Trait + 'a>;
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error: expected type, found lifetime
--> $DIR/trait-object-lifetime-parens.rs:16:17
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LL | let _: Box<('a) + Trait>;
| ^^ expected type
error[E0178]: expected a path on the left-hand side of `+`
--> $DIR/trait-object-lifetime-parens.rs:16:16
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LL | let _: Box<('a) + Trait>;
| ^^^^ expected a path
error[E0782]: expected a type, found a trait
--> $DIR/trait-object-lifetime-parens.rs:12:16
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LL | let _: Box<Trait + ('a)>;
| ^^^^^^^^^^^^
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help: you can add the `dyn` keyword if you want a trait object
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LL | let _: Box<dyn Trait + ('a)>;
| +++
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0178, E0782.
For more information about an error, try `rustc --explain E0178`.
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