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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/unsized-locals/unsized-exprs.rs
parentInitial commit. (diff)
downloadrustc-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.rs28
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
+}