From ed24829985cd01ae7ab980d785b6dff2e8332868 Mon Sep 17 00:00:00 2001
From: Irfan Hudda <irfanhudda@gmail.com>
Date: Sat, 29 Apr 2017 01:51:54 +0530
Subject: [PATCH] Simplify `checked_next_power_of_two` function

---
 src/libcore/num/mod.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 8c4a6e871e12..cc1f9ca79a15 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -2376,12 +2376,7 @@ macro_rules! uint_impl {
         /// ```
         #[stable(feature = "rust1", since = "1.0.0")]
         pub fn checked_next_power_of_two(self) -> Option<Self> {
-            let npot = self.one_less_than_next_power_of_two().wrapping_add(1);
-            if npot >= self {
-                Some(npot)
-            } else {
-                None
-            }
+            self.one_less_than_next_power_of_two().checked_add(1)
         }
     }
 }