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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-param.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-param.rs')
-rw-r--r-- | tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-param.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-param.rs b/tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-param.rs new file mode 100644 index 000000000..8d34c1b6c --- /dev/null +++ b/tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-param.rs @@ -0,0 +1,23 @@ +// Test that `impl Alpha<dyn Object>` resets the object-lifetime +// default to `'static`. +// +// check-pass + +trait Alpha<Item: ?Sized> { + fn item(&self) -> Box<Item> { + panic!() + } +} + +trait Object {} +impl<T> Alpha<dyn Object> for T {} +fn alpha(x: &str, y: &str) -> impl Alpha<dyn Object> { () } +fn is_static<T>(_: T) where T: 'static { } + +fn bar(x: &str) -> &impl Alpha<dyn Object> { &() } + +fn main() { + let s = format!("foo"); + let r = bar(&s); + is_static(r.item()); +} |