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Diffstat (limited to 'src/test/ui/impl-trait/nested-return-type4.stderr')
| -rw-r--r-- | src/test/ui/impl-trait/nested-return-type4.stderr | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/nested-return-type4.stderr b/src/test/ui/impl-trait/nested-return-type4.stderr new file mode 100644 index 000000000..e761a60e7 --- /dev/null +++ b/src/test/ui/impl-trait/nested-return-type4.stderr @@ -0,0 +1,20 @@ +error[E0700]: hidden type for `impl Future<Output = impl Sized>` captures lifetime that does not appear in bounds + --> $DIR/nested-return-type4.rs:4:5 + | +LL | fn test<'s: 's>(s: &'s str) -> impl std::future::Future<Output = impl Sized> { + | -- hidden type `[async block@$DIR/nested-return-type4.rs:4:5: 4:31]` captures the lifetime `'s` as defined here +LL | async move { let _s = s; } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: to declare that `impl Future<Output = impl Sized>` captures `'s`, you can add an explicit `'s` lifetime bound + | +LL | fn test<'s: 's>(s: &'s str) -> impl std::future::Future<Output = impl Sized> + 's { + | ++++ +help: to declare that `impl Sized` captures `'s`, you can add an explicit `'s` lifetime bound + | +LL | fn test<'s: 's>(s: &'s str) -> impl std::future::Future<Output = impl Sized + 's> { + | ++++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0700`. |