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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/type-alias-impl-trait/issue-67844-nested-opaque.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/type-alias-impl-trait/issue-67844-nested-opaque.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/issue-67844-nested-opaque.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/issue-67844-nested-opaque.rs b/tests/ui/type-alias-impl-trait/issue-67844-nested-opaque.rs new file mode 100644 index 000000000..cd219328a --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-67844-nested-opaque.rs @@ -0,0 +1,33 @@ +// check-pass +// Regression test for issue #67844 +// Ensures that we properly handle nested TAIT occurrences +// with generic parameters + +#![feature(type_alias_impl_trait)] + +trait WithAssoc { + type AssocType; +} + +trait WithParam<A> {} + +type Return<A> = impl WithAssoc<AssocType = impl WithParam<A>>; + +struct MyParam; +impl<A> WithParam<A> for MyParam {} + +struct MyStruct; + +impl WithAssoc for MyStruct { + type AssocType = MyParam; +} + +fn my_fun<A>() -> Return<A> { + MyStruct +} + +fn my_other_fn<A>() -> impl WithAssoc<AssocType = impl WithParam<A>> { + MyStruct +} + +fn main() {} |