From 91493f2051830fa0b1cc3276919888cf5a5eecea Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@gmail.com>
Date: Sun, 27 Dec 2015 12:59:21 -0700
Subject: [PATCH] Implement size_hint for BlockingIter

Unlike the other two iterators, this will never return None
---
 src/notification.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/notification.rs b/src/notification.rs
index b05d7e0a..291099af 100644
--- a/src/notification.rs
+++ b/src/notification.rs
@@ -146,6 +146,10 @@ impl<'a> Iterator for BlockingIter<'a> {
             _ => unreachable!(),
         }
     }
+
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        (usize::max_value(), None)
+    }
 }
 
 /// An iterator over notifications which will block for a period of time if