From d659d039b6b6e3c5c858baf7e2be82dfee4c35d3 Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Fri, 4 Sep 2015 07:56:52 +0200
Subject: [PATCH] methods: allow &mut self for as_ methods

---
 src/methods.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/methods.rs b/src/methods.rs
index c6f0b1c2e..1d0ac662c 100644
--- a/src/methods.rs
+++ b/src/methods.rs
@@ -108,7 +108,7 @@ impl LintPass for MethodsPass {
 const CONVENTIONS: [(&'static str, &'static [SelfKind]); 5] = [
     ("into_", &[ValueSelf]),
     ("to_",   &[RefSelf]),
-    ("as_",   &[RefSelf]),
+    ("as_",   &[RefSelf, RefMutSelf]),
     ("is_",   &[RefSelf, NoSelf]),
     ("from_", &[NoSelf]),
 ];