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error[E0106]: missing lifetime specifier
--> $DIR/issue-63388-2.rs:12:10
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LL | foo: &dyn Foo, bar: &'a dyn Foo
| -------- -----------
LL | ) -> &dyn Foo
| ^ expected named lifetime parameter
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= help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `foo` or `bar`
help: consider using the `'a` lifetime
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LL | ) -> &'a dyn Foo
| ++
error[E0621]: explicit lifetime required in the type of `foo`
--> $DIR/issue-63388-2.rs:13:5
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LL | foo: &dyn Foo, bar: &'a dyn Foo
| -------- help: add explicit lifetime `'a` to the type of `foo`: `&'a (dyn Foo + 'a)`
LL | ) -> &dyn Foo
LL | / {
LL | |
LL | | foo
LL | | }
| |_____^ lifetime `'a` required
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0106, E0621.
For more information about an error, try `rustc --explain E0106`.
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