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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/recursive-impl-trait-type-through-non-recursive.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/recursive-impl-trait-type-through-non-recursive.rs')
-rw-r--r-- | src/test/ui/impl-trait/recursive-impl-trait-type-through-non-recursive.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/recursive-impl-trait-type-through-non-recursive.rs b/src/test/ui/impl-trait/recursive-impl-trait-type-through-non-recursive.rs new file mode 100644 index 000000000..818e40365 --- /dev/null +++ b/src/test/ui/impl-trait/recursive-impl-trait-type-through-non-recursive.rs @@ -0,0 +1,25 @@ +// Test that impl trait does not allow creating recursive types that are +// otherwise forbidden. Even when there's an opaque type in another crate +// hiding this. + +fn id<T>(t: T) -> impl Sized { t } + +fn recursive_id() -> impl Sized { //~ ERROR cannot resolve opaque type + id(recursive_id2()) +} + +fn recursive_id2() -> impl Sized { //~ ERROR cannot resolve opaque type + id(recursive_id()) +} + +fn wrap<T>(t: T) -> impl Sized { (t,) } + +fn recursive_wrap() -> impl Sized { //~ ERROR cannot resolve opaque type + wrap(recursive_wrap2()) +} + +fn recursive_wrap2() -> impl Sized { //~ ERROR cannot resolve opaque type + wrap(recursive_wrap()) +} + +fn main() {} |