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authorIrfan Hudda <irfanhudda@gmail.com>2017-04-29 01:51:54 +0530
committerIrfan Hudda <irfanhudda@gmail.com>2017-04-29 01:51:54 +0530
commited24829985cd01ae7ab980d785b6dff2e8332868 (patch)
tree51a110d2e411d4a5ef9ca3fabf5648b1a2acdcde
parent67684a399c2020495075b2e6c848850e7a8d60e9 (diff)
downloadrust-ed24829985cd01ae7ab980d785b6dff2e8332868.tar.gz
rust-ed24829985cd01ae7ab980d785b6dff2e8332868.zip
Simplify `checked_next_power_of_two` function
-rw-r--r--src/libcore/num/mod.rs7
1 files changed, 1 insertions, 6 deletions
diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 8c4a6e871e1..cc1f9ca79a1 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)
         }
     }
 }