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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:50 +0000 |
commit | 2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35 (patch) | |
tree | d325add32978dbdc1db975a438b3a77d571b1ab8 /tests/ui/traits/new-solver/object-unsafety.rs | |
parent | Releasing progress-linux version 1.68.2+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.tar.xz rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.zip |
Merging upstream version 1.69.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/new-solver/object-unsafety.rs')
-rw-r--r-- | tests/ui/traits/new-solver/object-unsafety.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/object-unsafety.rs b/tests/ui/traits/new-solver/object-unsafety.rs new file mode 100644 index 000000000..7bdd863a7 --- /dev/null +++ b/tests/ui/traits/new-solver/object-unsafety.rs @@ -0,0 +1,20 @@ +// compile-flags: -Ztrait-solver=next + +trait Setup { + type From: Copy; +} + +fn copy<U: Setup + ?Sized>(from: &U::From) -> U::From { + *from +} + +pub fn copy_any<T>(t: &T) -> T { + copy::<dyn Setup<From=T>>(t) + //~^ ERROR the trait bound `dyn Setup<From = T>: Setup` is not satisfied +} + +fn main() { + let x = String::from("Hello, world"); + let y = copy_any(&x); + println!("{y}"); +} |