Implement size_hint for BlockingIter

sfackler · sfackler · commit 91493f205183 · 2015-12-27T12:59:21.000-07:00
Unlike the other two iterators, this will never return None
diff --git 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

Original file line number	Diff line number	Diff line change
`@@ -146,6 +146,10 @@ impl<'a> Iterator for BlockingIter<'a> {`
`146`	`146`	`_ => unreachable!(),`
`147`	`147`	`}`
`148`	`148`	`}`
	`149`	`+`
	`150`	`+ fn size_hint(&self) -> (usize, Option<usize>) {`
	`151`	`+ (usize::max_value(), None)`
	`152`	`+ }`
`149`	`153`	`}`
`150`	`154`
`151`	`155`	`/// An iterator over notifications which will block for a period of time if`