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error[E0308]: mismatched types
--> $DIR/issue-32323.rs:5:30
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LL | pub fn f<'a, T: Tr<'a>>() -> <T as Tr<'a>>::Out {}
| - ^^^^^^^^^^^^^^^^^^ expected associated type, found `()`
| |
| implicitly returns `()` as its body has no tail or `return` expression
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= note: expected associated type `<T as Tr<'a>>::Out`
found unit type `()`
help: consider constraining the associated type `<T as Tr<'a>>::Out` to `()`
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LL | pub fn f<'a, T: Tr<'a, Out = ()>>() -> <T as Tr<'a>>::Out {}
| ++++++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.
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