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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/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip  | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs')
| -rw-r--r-- | tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs | 23 | 
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs b/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs new file mode 100644 index 00000000000..51be999a632 --- /dev/null +++ b/tests/ui/object-lifetime/object-lifetime-default-dyn-binding-nonstatic3.rs @@ -0,0 +1,23 @@ +// Test that `dyn Bar<Item = XX>` uses `'static` as the default object +// lifetime bound for the type `XX`. + +trait Foo<'a> { + type Item: ?Sized; + + fn item(&self) -> Box<Self::Item> { panic!() } +} + +trait Bar { } + +fn is_static<T>(_: T) where T: 'static { } + +// Here, we should default to `dyn Bar + 'static`, but the current +// code forces us into a conservative, hacky path. +fn bar(x: &str) -> &dyn Foo<Item = dyn Bar> { &() } +//~^ ERROR please supply an explicit bound + +fn main() { + let s = format!("foo"); + let r = bar(&s); + is_static(r.item()); +}  | 
