Revert D6745720: [folly][compression] Log (de)compression bytes

[folly.git] / folly / Traits.h

diff --git a/folly/Traits.h b/folly/Traits.h
index fb797f377bb72a7f860180c8ea511066c15ce0c5..b7301e25102cd76b032c08f68fdaf5630f074f83 100644 (file)
--- a/folly/Traits.h
+++ b/folly/Traits.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Facebook, Inc.
+ * Copyright 2011-present Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -155,6 +155,18 @@ namespace folly {
 template <typename T>
 using _t = typename T::type;
 
+/**
+ * A type trait to remove all const volatile and reference qualifiers on a
+ * type T
+ */
+template <typename T>
+struct remove_cvref {
+  using type =
+      typename std::remove_cv<typename std::remove_reference<T>::type>::type;
+};
+template <typename T>
+using remove_cvref_t = typename remove_cvref<T>::type;
+
 /**
  *  type_t
  *