mirror of https://github.com/rust-lang/rust
27 lines
1.3 KiB
Plaintext
27 lines
1.3 KiB
Plaintext
error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list
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--> $DIR/forgot-to-capture-lifetime.rs:1:52
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LL | fn lifetime_in_bounds<'a>(x: &'a ()) -> impl Into<&'a ()> + use<> { x }
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| -- -----------^^------------
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| | |
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| | lifetime captured due to being mentioned in the bounds of the `impl Trait`
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| this lifetime parameter is captured
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error[E0700]: hidden type for `impl Sized` captures lifetime that does not appear in bounds
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--> $DIR/forgot-to-capture-lifetime.rs:4:62
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LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<> { x }
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| -- ------------------ ^
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| | |
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| | opaque type defined here
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| hidden type `&'a ()` captures the lifetime `'a` as defined here
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help: add `'a` to the `use<...>` bound to explicitly capture it
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LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<'a> { x }
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| ++
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0700`.
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