25810

src/25810.rs

@@ -0,0 +1,26 @@
+
+fn main() {
+    let x = X(15);
+    let y = x.foo();
+    println!("{:?}",y);
+}
+
+trait Foo {
+    fn foo<'a>(&'a self) -> <&'a Self as Bar>::Output;
+}
+
+trait Bar {
+    type Output;
+}
+
+struct X(i32);
+
+impl<'a> Bar for &'a X {
+    type Output = &'a i32;
+}
+
+impl Foo for X {
+    fn foo<'a>(&'a self) -> <&'a Self as Bar>::Output {
+        &self.0
+    }
+}