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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/generic-associated-types/issue-74824.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/generic-associated-types/issue-74824.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/issue-74824.rs b/src/test/ui/generic-associated-types/issue-74824.rs new file mode 100644 index 000000000..1bbf7aac5 --- /dev/null +++ b/src/test/ui/generic-associated-types/issue-74824.rs @@ -0,0 +1,26 @@ +#![feature(generic_associated_types)] +#![feature(associated_type_defaults)] + +use std::ops::Deref; + +trait UnsafeCopy { + type Copy<T>: Copy = Box<T>; + //~^ ERROR the trait bound `Box<T>: Copy` is not satisfied + //~^^ ERROR the trait bound `T: Clone` is not satisfied + fn copy<T>(x: &Self::Copy<T>) -> Self::Copy<T> { + *x + } +} + +impl<T> UnsafeCopy for T {} + +fn main() { + let b = Box::new(42usize); + let copy = <()>::copy(&b); + + let raw_b = Box::deref(&b) as *const _; + let raw_copy = Box::deref(©) as *const _; + + // assert the addresses. + assert_eq!(raw_b, raw_copy); +} |