1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/in-trait/success.rs b/src/test/ui/impl-trait/in-trait/success.rs
new file mode 100644
index 000000000..4cbe682b4
--- /dev/null
+++ b/src/test/ui/impl-trait/in-trait/success.rs
@@ -0,0 +1,40 @@
+// check-pass
+
+#![feature(return_position_impl_trait_in_trait)]
+#![allow(incomplete_features)]
+
+use std::fmt::Display;
+
+trait Foo {
+    fn bar(&self) -> impl Display;
+}
+
+impl Foo for i32 {
+    fn bar(&self) -> i32 {
+        *self
+    }
+}
+
+impl Foo for &'static str {
+    fn bar(&self) -> &'static str {
+        *self
+    }
+}
+
+struct Yay;
+
+impl Foo for Yay {
+    fn bar(&self) -> String {
+        String::from(":^)")
+    }
+}
+
+fn foo_generically<T: Foo>(t: T) {
+    println!("{}", t.bar());
+}
+
+fn main() {
+    println!("{}", "Hello, world.".bar());
+    println!("The answer is {}!", 42.bar());
+    foo_generically(Yay);
+}