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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/unsized-locals/unsized-exprs.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/unsized-locals/unsized-exprs.rs')
-rw-r--r-- | src/test/ui/unsized-locals/unsized-exprs.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/unsized-locals/unsized-exprs.rs b/src/test/ui/unsized-locals/unsized-exprs.rs new file mode 100644 index 000000000..1729b9ffa --- /dev/null +++ b/src/test/ui/unsized-locals/unsized-exprs.rs @@ -0,0 +1,28 @@ +#![feature(unsized_tuple_coercion, unsized_fn_params)] + +struct A<X: ?Sized>(X); + +fn udrop<T: ?Sized>(_x: T) {} +fn foo() -> Box<[u8]> { + Box::new(*b"foo") +} +fn tfoo() -> Box<(i32, [u8])> { + Box::new((42, *b"foo")) +} +fn afoo() -> Box<A<[u8]>> { + Box::new(A(*b"foo")) +} + +impl std::ops::Add<i32> for A<[u8]> { + type Output = (); + fn add(self, _rhs: i32) -> Self::Output {} +} + +fn main() { + udrop::<(i32, [u8])>((42, *foo())); + //~^ERROR E0277 + udrop::<A<[u8]>>(A { 0: *foo() }); + //~^ERROR E0277 + udrop::<A<[u8]>>(A(*foo())); + //~^ERROR E0277 +} |