summaryrefslogtreecommitdiffstats
path: root/tests/ui/unsized-locals/unsized-exprs.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/unsized-locals/unsized-exprs.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/unsized-locals/unsized-exprs.rs')
-rw-r--r--tests/ui/unsized-locals/unsized-exprs.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/unsized-locals/unsized-exprs.rs b/tests/ui/unsized-locals/unsized-exprs.rs
new file mode 100644
index 000000000..1729b9ffa
--- /dev/null
+++ b/tests/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
+}