diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/overloaded/auxiliary | |
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/overloaded/auxiliary')
-rw-r--r-- | src/test/ui/overloaded/auxiliary/overloaded_autoderef_xc.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/overloaded/auxiliary/overloaded_autoderef_xc.rs b/src/test/ui/overloaded/auxiliary/overloaded_autoderef_xc.rs new file mode 100644 index 000000000..112455f91 --- /dev/null +++ b/src/test/ui/overloaded/auxiliary/overloaded_autoderef_xc.rs @@ -0,0 +1,30 @@ +use std::ops::Deref; + +struct DerefWithHelper<H, T> { + pub helper: H, + pub value: Option<T> +} + +trait Helper<T> { + fn helper_borrow(&self) -> &T; +} + +impl<T> Helper<T> for Option<T> { + fn helper_borrow(&self) -> &T { + self.as_ref().unwrap() + } +} + +impl<T, H: Helper<T>> Deref for DerefWithHelper<H, T> { + type Target = T; + + fn deref(&self) -> &T { + self.helper.helper_borrow() + } +} + +// Test cross-crate autoderef + vtable. +pub fn check<T: PartialEq>(x: T, y: T) -> bool { + let d: DerefWithHelper<Option<T>, T> = DerefWithHelper { helper: Some(x), value: None }; + d.eq(&y) +} |