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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/type-alias-impl-trait/coherence.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.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/coherence.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/coherence.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/coherence.rs b/tests/ui/type-alias-impl-trait/coherence.rs new file mode 100644 index 000000000..077a31494 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/coherence.rs @@ -0,0 +1,17 @@ +// aux-build:foreign-crate.rs +#![feature(type_alias_impl_trait)] + +extern crate foreign_crate; + +trait LocalTrait {} +impl<T> LocalTrait for foreign_crate::ForeignType<T> {} + +type AliasOfForeignType<T> = impl LocalTrait; +fn use_alias<T>(val: T) -> AliasOfForeignType<T> { + foreign_crate::ForeignType(val) +} + +impl<T> foreign_crate::ForeignTrait for AliasOfForeignType<T> {} +//~^ ERROR only traits defined in the current crate can be implemented for arbitrary types + +fn main() {} |