X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=blobdiff_plain;f=folly%2FLazy.h;h=ff115f3f3d3af233e35bada0678546385e399f87;hp=bca89d9ab529d1ce484dcd5980f80b1a51d78c9c;hb=67300dac6ed429facd7c6f5e03b7c245e32f8383;hpb=275ca94d04e44f28cfa411668eb1c1dd8db90b80

diff --git a/folly/Lazy.h b/folly/Lazy.h
index bca89d9a..ff115f3f 100644
--- a/folly/Lazy.h
+++ b/folly/Lazy.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,11 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef FOLLY_LAZY_H_
-#define FOLLY_LAZY_H_
 
-#include <utility>
+#pragma once
+
 #include <type_traits>
+#include <utility>
 
 #include <folly/Optional.h>
 
@@ -86,7 +86,7 @@ namespace folly {
 
 namespace detail {
 
-template<class Func>
+template <class Func>
 struct Lazy {
   typedef typename std::result_of<Func()>::type result_type;
 
@@ -107,20 +107,22 @@ struct Lazy {
   }
 
   result_type& operator()() {
-    if (!value_) value_ = func_();
+    if (!value_) {
+      value_ = func_();
+    }
     return *value_;
   }
 
-private:
+ private:
   Optional<result_type> value_;
   Func func_;
 };
 
-}
+} // namespace detail
 
 //////////////////////////////////////////////////////////////////////
 
-template<class Func>
+template <class Func>
 detail::Lazy<typename std::remove_reference<Func>::type>
 lazy(Func&& fun) {
   return detail::Lazy<typename std::remove_reference<Func>::type>(
@@ -130,6 +132,4 @@ lazy(Func&& fun) {
 
 //////////////////////////////////////////////////////////////////////
 
-}
-
-#endif
+} // namespace folly