From 95e2a4f23df096ce61593b6a0910d67508228bc7 Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Fri, 5 Jul 2019 18:28:27 -0700
Subject: [PATCH] Use if-let in is_sorted_by

---
 src/libcore/iter/traits/iterator.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/libcore/iter/traits/iterator.rs b/src/libcore/iter/traits/iterator.rs
index 9028103cb971..4220e85b8dd2 100644
--- a/src/libcore/iter/traits/iterator.rs
+++ b/src/libcore/iter/traits/iterator.rs
@@ -2740,9 +2740,8 @@ pub trait Iterator {
         };
 
         while let Some(curr) = self.next() {
-            match compare(&last, &curr) {
-                Some(Ordering::Greater) | None => return false,
-                _ => {}
+            if let Some(Ordering::Greater) | None = compare(&last, &curr) {
+                return false;
             }
             last = curr;
         }