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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/issues/issue-56229.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 '')
-rw-r--r-- | src/test/ui/issues/issue-56229.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-56229.rs b/src/test/ui/issues/issue-56229.rs new file mode 100644 index 000000000..9e5897b98 --- /dev/null +++ b/src/test/ui/issues/issue-56229.rs @@ -0,0 +1,35 @@ +// check-pass + +trait Mirror { + type Other; +} + +#[derive(Debug)] +struct Even(usize); +struct Odd; + +impl Mirror for Even { + type Other = Odd; +} + +impl Mirror for Odd { + type Other = Even; +} + +trait Dyn<T: Mirror>: AsRef<<T as Mirror>::Other> {} + +impl Dyn<Odd> for Even {} + +impl AsRef<Even> for Even { + fn as_ref(&self) -> &Even { + self + } +} + +fn code<T: Mirror>(d: &dyn Dyn<T>) -> &T::Other { + d.as_ref() +} + +fn main() { + println!("{:?}", code(&Even(22))); +} |