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

[folly.git] / folly / detail / BitsDetail.h

diff --git a/folly/detail/BitsDetail.h b/folly/detail/BitsDetail.h
index a411d0a93ebaeacd3d33a303e4c842302c64053b..d89a25ef608601076b161c183cccbe5a4f37369c 100644 (file)
--- a/folly/detail/BitsDetail.h
+++ b/folly/detail/BitsDetail.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef FOLLY_DETAIL_BITSDETAIL_H_
-#define FOLLY_DETAIL_BITSDETAIL_H_
+#pragma once
 
 namespace folly {
 namespace detail {
@@ -49,5 +48,3 @@ int popcountll(unsigned long long x);
 
 }  // namespace detail
 }  // namespace folly
-
-#endif /* FOLLY_DETAIL_BITSDETAIL_H_ */