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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
commit2ff14448863ac1a1dd9533461708e29aae170c2d (patch)
tree85b9fea2bbfe3f06473cfa381eed11f273b57c5c /src/test/ui/impl-trait/in-trait/object-safety.rs
parentAdding debian version 1.64.0+dfsg1-1. (diff)
downloadrustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz
rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.zip
Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/impl-trait/in-trait/object-safety.rs')
-rw-r--r--src/test/ui/impl-trait/in-trait/object-safety.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/in-trait/object-safety.rs b/src/test/ui/impl-trait/in-trait/object-safety.rs
new file mode 100644
index 000000000..dd35b9a2d
--- /dev/null
+++ b/src/test/ui/impl-trait/in-trait/object-safety.rs
@@ -0,0 +1,22 @@
+#![feature(return_position_impl_trait_in_trait)]
+#![allow(incomplete_features)]
+
+use std::fmt::Debug;
+
+trait Foo {
+ fn baz(&self) -> impl Debug;
+}
+
+impl Foo for u32 {
+ fn baz(&self) -> u32 {
+ 32
+ }
+}
+
+fn main() {
+ let i = Box::new(42_u32) as Box<dyn Foo>;
+ //~^ ERROR the trait `Foo` cannot be made into an object
+ //~| ERROR the trait `Foo` cannot be made into an object
+ let s = i.baz();
+ //~^ ERROR the trait `Foo` cannot be made into an object
+}