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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/type-alias-impl-trait/issue-90400-2.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/type-alias-impl-trait/issue-90400-2.rs')
-rw-r--r-- | src/test/ui/type-alias-impl-trait/issue-90400-2.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/issue-90400-2.rs b/src/test/ui/type-alias-impl-trait/issue-90400-2.rs new file mode 100644 index 000000000..2b369bb8a --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/issue-90400-2.rs @@ -0,0 +1,38 @@ +// Regression test for #90400, +// taken from https://github.com/rust-lang/rust/issues/90400#issuecomment-954927836 + +#![feature(generic_associated_types)] +#![feature(type_alias_impl_trait)] + +trait Bar { + fn bar(&self); +} + +trait Baz { + fn baz(&self); +} + +trait Foo { + type FooFn<B>: Baz; + + fn foo<B: Bar>(&self, bar: B) -> Self::FooFn<B>; +} + +struct MyFoo; +impl Foo for MyFoo { + type FooFn<B> = impl Baz; + + fn foo<B: Bar>(&self, bar: B) -> Self::FooFn<B> { + MyBaz(bar) //~ ERROR: the trait bound `B: Bar` is not satisfied + } +} + +struct MyBaz<B: Bar>(B); +impl<B: Bar> Baz for MyBaz<B> { + fn baz(&self) {} +} + +fn main() { + let boom: <MyFoo as Foo>::FooFn<u32> = unsafe { core::mem::zeroed() }; + boom.baz(); +} |