From bbe7ff86da84f3ddff69e965cb2be2afa0fad5c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
Date: Thu, 18 Jan 2018 23:50:03 +0100
Subject: [PATCH] selectors: Simplify SelectorIter::next.

---
 components/selectors/parser.rs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/components/selectors/parser.rs b/components/selectors/parser.rs
index 465e6acaa8c..91981562366 100644
--- a/components/selectors/parser.rs
+++ b/components/selectors/parser.rs
@@ -609,13 +609,12 @@ impl<'a, Impl: SelectorImpl> Iterator for SelectorIter<'a, Impl> {
     fn next(&mut self) -> Option<Self::Item> {
         debug_assert!(self.next_combinator.is_none(),
                       "You should call next_sequence!");
-        match self.iter.next() {
-            None => None,
-            Some(&Component::Combinator(c)) => {
+        match *self.iter.next()? {
+            Component::Combinator(c) => {
                 self.next_combinator = Some(c);
                 None
             },
-            Some(x) => Some(x),
+            ref x => Some(x),
         }
     }
 }