---

yaml
---
r: 60616
b: refs/heads/auto
c: fd94bd9
h: refs/heads/master
v: v3

Author: catamorphism

[refs]

@@ -14,6 +14,6 @@ refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: 4bbbae625d249148ef95b00827f4f3b6859f9071
+refs/heads/auto: fd94bd984e6e0772f501e57f9b2f36a3ac420640
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c

branches/auto/src/test/run-pass/issue-4107.rs

@@ -0,0 +1,33 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    let id: &Mat2<float> = &Matrix::identity();
+}
+
+pub trait Index<Index,Result> { }
+pub trait Dimensional<T>: Index<uint, T> { }
+
+pub struct Mat2<T> { x: () }
+pub struct Vec2<T> { x: () }
+
+impl<T> Dimensional<Vec2<T>> for Mat2<T> { }
+impl<T> Index<uint, Vec2<T>> for Mat2<T> { }
+
+impl<T> Dimensional<T> for Vec2<T> { }
+impl<T> Index<uint, T> for Vec2<T> { }
+
+pub trait Matrix<T,V>: Dimensional<V> {
+    fn identity() -> Self;
+}
+
+impl<T> Matrix<T, Vec2<T>> for Mat2<T> {
+    fn identity() -> Mat2<T> { Mat2{ x: () } }
+}