---

yaml
---
r: 233654
b: refs/heads/beta
c: 962b61f
h: refs/heads/master
v: v3

Author: GuillaumeGomez

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: 633fe4463940e6d6523ceb9c6267983170761d7e
+refs/heads/beta: 962b61f4f5d70a2063088ab318f80c2e5155a27d
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: 370fe2786109360f7c35b8ba552b83b773dd71d6
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/librustc_typeck/diagnostics.rs

@@ -2791,11 +2791,21 @@ impl *mut Foo {}
 //        `#[lang = "mut_ptr"]` is allowed for the `*mut T` primitive
 ```
 
-This isn't allowed, perhaps you might get the desired effects by wrapping the
-raw pointer in a struct. Example:
+This isn't allowed, but using a trait to implement a method is a good solution.
+Example:
 
 ```
-struct FooPtr(pub *mut Foo);
+struct Foo {
+    x: i32
+}
+
+trait Bar {
+    fn bar();
+}
+
+impl Bar for *mut Foo {
+    fn bar() {} // ok!
+}
 ```
 "##,