25 lines
897 B
Plaintext
25 lines
897 B
Plaintext
error: unsatisfied lifetime constraints
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--> $DIR/regions-trait-object-subtyping.rs:25:5
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LL | fn foo3<'a,'b>(x: &'a mut Dummy) -> &'b mut Dummy {
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| -- -- lifetime `'b` defined here
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| lifetime `'a` defined here
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LL | // Without knowing 'a:'b, we can't coerce
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LL | x //~ ERROR lifetime bound not satisfied
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| ^ cast requires that `'a` must outlive `'b`
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error: unsatisfied lifetime constraints
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--> $DIR/regions-trait-object-subtyping.rs:32:5
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LL | fn foo4<'a:'b,'b>(x: Wrapper<&'a mut Dummy>) -> Wrapper<&'b mut Dummy> {
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| -- -- lifetime `'b` defined here
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| lifetime `'a` defined here
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LL | // We can't coerce because it is packed in `Wrapper`
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LL | x //~ ERROR mismatched types
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| ^ returning this value requires that `'b` must outlive `'a`
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error: aborting due to 2 previous errors
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