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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 | 
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 | 
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip  | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs')
| -rw-r--r-- | tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs | 27 | 
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs b/tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs new file mode 100644 index 00000000000..aad9d89fe24 --- /dev/null +++ b/tests/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs @@ -0,0 +1,27 @@ +// Test that we don't get an error with `dyn Bar` in an impl Trait +// when there are multiple inputs. The `dyn Bar` should default to `+ +// 'static`. This used to erroneously generate an error (cc #62517). +// +// check-pass + +trait Foo { + type Item: ?Sized; + + fn item(&self) -> Box<Self::Item> { panic!() } +} + +trait Bar { } + +impl<T> Foo for T { + type Item = dyn Bar; +} + +fn is_static<T>(_: T) where T: 'static { } + +fn bar(x: &str) -> &impl Foo<Item = dyn Bar> { &() } + +fn main() { + let s = format!("foo"); + let r = bar(&s); + is_static(r.item()); +}  | 
