From ac50046a111a1ef6fb58b7e5f368ff6b9b55f89c Mon Sep 17 00:00:00 2001
From: Erick Tryzelaar <erick.tryzelaar@gmail.com>
Date: Thu, 18 Oct 2012 11:04:32 -0700
Subject: [PATCH] Simplify str::to_managed

---
 src/libcore/str.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/libcore/str.rs b/src/libcore/str.rs
index d59f36e0681..d32d35cbe1a 100644
--- a/src/libcore/str.rs
+++ b/src/libcore/str.rs
@@ -2262,9 +2262,8 @@ impl &str: StrSlice {
 
     #[inline]
     pure fn to_managed() -> @str {
-        let v = at_vec::from_fn(self.len() + 1, |i| {
-            if i == self.len() { 0 } else { self[i] }
-        });
+        let bytes = as_bytes_slice(self);
+        let v = at_vec::from_fn(bytes.len(), |i| bytes[i]);
         unsafe { ::cast::transmute(v) }
     }