From 510e152353fe96f062260ac22c6240de620c612e Mon Sep 17 00:00:00 2001
From: Sam Rijs <srijs@airpost.net>
Date: Thu, 7 Jun 2018 20:45:45 +1000
Subject: [PATCH] regex: implement size_hint for set match iterators

---
 src/re_set.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/re_set.rs b/src/re_set.rs
index 66b01512ef..cfca0ea405 100644
--- a/src/re_set.rs
+++ b/src/re_set.rs
@@ -295,6 +295,10 @@ impl Iterator for SetMatchesIntoIter {
             }
         }
     }
+
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.0.size_hint() 
+    }
 }
 
 impl DoubleEndedIterator for SetMatchesIntoIter {
@@ -331,6 +335,10 @@ impl<'a> Iterator for SetMatchesIter<'a> {
             }
         }
     }
+
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.0.size_hint() 
+    }
 }
 
 impl<'a> DoubleEndedIterator for SetMatchesIter<'a> {