From c0f357924d8c96d2f8510055ecd79ed0f3e1840b Mon Sep 17 00:00:00 2001
From: Erick Tryzelaar <erick.tryzelaar@gmail.com>
Date: Wed, 29 Aug 2012 21:20:10 -0700
Subject: [PATCH] libcore: vec::u8::hash is pure.

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

diff --git a/src/libcore/vec.rs b/src/libcore/vec.rs
index 448678abf7c6..984092e9a584 100644
--- a/src/libcore/vec.rs
+++ b/src/libcore/vec.rs
@@ -1877,7 +1877,7 @@ mod u8 {
     pure fn gt(a: &~[u8], b: &~[u8]) -> bool { cmp(a, b) > 0 }
 
     /// Byte-vec hash function
-    fn hash(s: &~[u8]) -> uint {
+    pure fn hash(s: &~[u8]) -> uint {
         hash::hash_bytes(*s) as uint
     }