---

yaml
---
r: 172698
b: refs/heads/try
c: cc1776e
h: refs/heads/master
v: v3

Author: nikomatsakis

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 170c4399e614fe599c3d41306b3429ca8b3b68c6
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 5b3cd3900ceda838f5798c30ab96ceb41f962534
-refs/heads/try: 0d9a11d6addee6a420217be9f6864d643c86e32f
+refs/heads/try: cc1776ef1eb8ef2696ebc3228f6ce9db63019d15
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/test/run-pass/associated-types-projection-from-known-type-in-impl.rs

@@ -0,0 +1,44 @@
+// Copyright 2015 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.
+
+// Test where the impl self type uses a projection from a constant type.
+
+trait Int
+{
+    type T;
+}
+
+trait NonZero
+{
+    fn non_zero(self) -> bool;
+}
+
+impl Int for i32 { type T = i32; }
+impl Int for i64 { type T = i64; }
+impl Int for u32 { type T = u32; }
+impl Int for u64 { type T = u64; }
+
+impl NonZero for <i32 as Int>::T { fn non_zero(self) -> bool { self != 0 } }
+impl NonZero for <i64 as Int>::T { fn non_zero(self) -> bool { self != 0 } }
+impl NonZero for <u32 as Int>::T { fn non_zero(self) -> bool { self != 0 } }
+impl NonZero for <u64 as Int>::T { fn non_zero(self) -> bool { self != 0 } }
+
+fn main ()
+{
+    assert!(NonZero::non_zero(22_i32));
+    assert!(NonZero::non_zero(22_i64));
+    assert!(NonZero::non_zero(22_u32));
+    assert!(NonZero::non_zero(22_u64));
+
+    assert!(!NonZero::non_zero(0_i32));
+    assert!(!NonZero::non_zero(0_i64));
+    assert!(!NonZero::non_zero(0_u32));
+    assert!(!NonZero::non_zero(0_u64));
+}