From ecae6e4260311fac40ef76a84273f6bc865e63d8 Mon Sep 17 00:00:00 2001
From: Matthias Krüger <matthias.krueger@famsik.de>
Date: Sun, 1 Mar 2020 22:04:42 +0100
Subject: use question mark operator in a few places.

---
 src/libcore/iter/adapters/mod.rs | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'src/libcore')

diff --git a/src/libcore/iter/adapters/mod.rs b/src/libcore/iter/adapters/mod.rs
index 58606531a1a..02dc9b8f82e 100644
--- a/src/libcore/iter/adapters/mod.rs
+++ b/src/libcore/iter/adapters/mod.rs
@@ -1894,9 +1894,7 @@ where
             let to_skip = self.n;
             self.n = 0;
             // nth(n) skips n+1
-            if self.iter.nth(to_skip - 1).is_none() {
-                return None;
-            }
+            self.iter.nth(to_skip - 1)?;
         }
         self.iter.nth(n)
     }
@@ -1916,9 +1914,7 @@ where
     fn last(mut self) -> Option<I::Item> {
         if self.n > 0 {
             // nth(n) skips n+1
-            if self.iter.nth(self.n - 1).is_none() {
-                return None;
-            }
+            self.iter.nth(self.n - 1)?;
         }
         self.iter.last()
     }
-- 
cgit 1.4.1-3-g733a5