summaryrefslogtreecommitdiffstats
path: root/src/test/ui/impl-trait/in-trait/nested-rpitit.rs
diff options
context:
space:
mode:
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/nested-rpitit.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/nested-rpitit.rs')
-rw-r--r--src/test/ui/impl-trait/in-trait/nested-rpitit.rs32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/in-trait/nested-rpitit.rs b/src/test/ui/impl-trait/in-trait/nested-rpitit.rs
new file mode 100644
index 000000000..65285e3a3
--- /dev/null
+++ b/src/test/ui/impl-trait/in-trait/nested-rpitit.rs
@@ -0,0 +1,32 @@
+// check-pass
+
+#![feature(return_position_impl_trait_in_trait)]
+#![allow(incomplete_features)]
+
+use std::fmt::Display;
+use std::ops::Deref;
+
+trait Foo {
+ fn bar(self) -> impl Deref<Target = impl Display + ?Sized>;
+}
+
+struct A;
+
+impl Foo for A {
+ fn bar(self) -> &'static str {
+ "Hello, world"
+ }
+}
+
+struct B;
+
+impl Foo for B {
+ fn bar(self) -> Box<i32> {
+ Box::new(42)
+ }
+}
+
+fn main() {
+ println!("Message for you: {:?}", &*A.bar());
+ println!("Another for you: {:?}", &*B.bar());
+}