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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/impl-trait/issues/issue-62742.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/impl-trait/issues/issue-62742.rs')
-rw-r--r-- | src/test/ui/impl-trait/issues/issue-62742.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/issues/issue-62742.rs b/src/test/ui/impl-trait/issues/issue-62742.rs new file mode 100644 index 000000000..041bd0e38 --- /dev/null +++ b/src/test/ui/impl-trait/issues/issue-62742.rs @@ -0,0 +1,32 @@ +use std::marker::PhantomData; + +fn _alias_check() { + WrongImpl::foo(0i32); + //~^ ERROR the trait bound `RawImpl<_>: Raw<_>` is not satisfied + WrongImpl::<()>::foo(0i32); + //~^ ERROR the trait bound `RawImpl<()>: Raw<()>` is not satisfied + //~| ERROR trait bounds were not satisfied + CorrectImpl::foo(0i32); +} + +pub trait Raw<T: ?Sized> { + type Value; +} + +pub type WrongImpl<T> = SafeImpl<T, RawImpl<T>>; + +pub type CorrectImpl<T> = SafeImpl<[T], RawImpl<T>>; + +pub struct RawImpl<T>(PhantomData<T>); + +impl<T> Raw<[T]> for RawImpl<T> { + type Value = T; +} + +pub struct SafeImpl<T: ?Sized, A: Raw<T>>(PhantomData<(A, T)>); + +impl<T: ?Sized, A: Raw<T>> SafeImpl<T, A> { + pub fn foo(value: A::Value) {} +} + +fn main() {} |