folly: replace old-style header guards with "pragma once"

[folly.git] / folly / Arena.h

diff --git a/folly/Arena.h b/folly/Arena.h
index daea8bc16555a5b1f3de4af96b6f5042ed4cd02d..8b928b039d01febacbcc9596338b13fcbcd466d8 100644 (file)
--- a/folly/Arena.h
+++ b/folly/Arena.h
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef FOLLY_ARENA_H_
+#pragma once
 #define FOLLY_ARENA_H_
 
 #include <cassert>
@@ -243,5 +243,3 @@ struct IsArenaAllocator<SysArena> : std::true_type { };
 }  // namespace folly
 
 #include <folly/Arena-inl.h>
-
-#endif /* FOLLY_ARENA_H_ */