mirror of https://github.com/rust-lang/rust
23 lines
1.2 KiB
Plaintext
23 lines
1.2 KiB
Plaintext
error[E0700]: hidden type for `impl Future<Output = impl Sized>` captures lifetime that does not appear in bounds
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--> $DIR/nested-return-type4.rs:4:5
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LL | fn test<'s: 's>(s: &'s str) -> impl std::future::Future<Output = impl Sized> {
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| -- --------------------------------------------- opaque type defined here
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| |
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| hidden type `{async block@$DIR/nested-return-type4.rs:4:5: 4:31}` captures the lifetime `'s` as defined here
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LL | async move { let _s = s; }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: to declare that `impl Future<Output = impl Sized>` captures `'s`, you can add an explicit `'s` lifetime bound
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LL | fn test<'s: 's>(s: &'s str) -> impl std::future::Future<Output = impl Sized> + 's {
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| ++++
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help: to declare that `impl Sized` captures `'s`, you can add an explicit `'s` lifetime bound
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LL | fn test<'s: 's>(s: &'s str) -> impl std::future::Future<Output = impl Sized + 's> {
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| ++++
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0700`.
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