From 58b7efe5a6b1fa344e028a993570b88783f7f0d5 Mon Sep 17 00:00:00 2001
From: Simonas Kazlauskas <git@kazlauskas.me>
Date: Sun, 15 Feb 2015 01:04:38 +0200
Subject: [PATCH] Stabilise ExactSizeIterator::len

---
 src/libcore/iter.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs
index 7740cd6867cb..cd4904964d6b 100644
--- a/src/libcore/iter.rs
+++ b/src/libcore/iter.rs
@@ -1055,6 +1055,7 @@ pub trait RandomAccessIterator: Iterator {
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait ExactSizeIterator: Iterator {
     #[inline]
+    #[stable(feature = "rust1", since = "1.0.0")]
     /// Return the exact length of the iterator.
     fn len(&self) -> usize {
         let (lower, upper) = self.size_hint();