move array_ref_test and small_vector_test into paddle/utils and format header macro define (#39831)

paddle/testing/CMakeLists.txt

@@ -3,5 +3,3 @@
 if(WITH_TESTING)
   cc_library(paddle_gtest_main SRCS paddle_gtest_main.cc DEPS init device_context memory gtest gflags)
 endif()
-cc_test(small_vector_test SRCS small_vector_test.cc DEPS gtest gflags)
-cc_test(array_ref_test SRCS array_ref_test.cc DEPS gtest gflags)

paddle/utils/CMakeLists.txt

 add_subdirectory(string)
+cc_test(small_vector_test SRCS small_vector_test.cc DEPS gtest gflags)
+cc_test(array_ref_test SRCS array_ref_test.cc DEPS gtest gflags)

paddle/utils/any.h

@@ -6,8 +6,7 @@
 
 // See http://www.boost.org/libs/any for Documentation.
 
-#ifndef PADDLE_ANY_INCLUDED
-#define PADDLE_ANY_INCLUDED
+#pragma once
 
 // what:  variant type boost::any
 // who:   contributed by Kevlin Henney,
@@ -168,12 +167,10 @@ template <typename ValueType>
 inline const ValueType *unsafe_any_cast(const any *operand) {
   return unsafe_any_cast<ValueType>(const_cast<any *>(operand));
 }
-}
+}  // namespace paddle
 
 // Copyright Kevlin Henney, 2000, 2001, 2002. All rights reserved.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
-
-#endif

paddle/utils/array_ref.h

@@ -12,8 +12,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef PADDLE_UTILS_ARRAY_REF_H_
-#define PADDLE_UTILS_ARRAY_REF_H_
+#pragma once
 
 #include <algorithm>
 #include <array>
@@ -332,6 +331,4 @@ inline bool operator!=(SmallVectorImpl<T> &LHS, ArrayRef<T> RHS) {
   return !(LHS == RHS);
 }
 
-}  // end namespace paddle
-
-#endif  // PADDLE_UTILS_ARRAY_REF_H_
+}  // namespace paddle

paddle/utils/flat_hash_map.h

@@ -1741,4 +1741,4 @@ struct power_of_two_std_hash : std::hash<T> {
   typedef paddle::power_of_two_hash_policy hash_policy;
 };
 
-}  // end namespace paddle
+}  // namespace paddle

paddle/utils/none.h

@@ -15,8 +15,7 @@
 // You are welcome to contact the author at:
 //  fernando_cacciola@hotmail.com
 //
-#ifndef PADDLE_NONE_17SEP2003_HPP
-#define PADDLE_NONE_17SEP2003_HPP
+#pragma once
 
 namespace paddle {
 
@@ -26,7 +25,7 @@ struct none_helper {};
 
 typedef int detail::none_helper::*none_t;
 
-}  // namespace boost
+}  // namespace paddle
 
 // NOTE: Borland users have to include this header outside any precompiled
 // headers
@@ -37,6 +36,4 @@ namespace paddle {
 
 none_t const none = ((none_t)0);
 
-}  // namespace boost
-
-#endif
+}  // namespace paddle

paddle/utils/optional.h

@@ -17,8 +17,7 @@
 // You are welcome to contact the author at:
 //  fernando_cacciola@hotmail.com
 //
-#ifndef PADDLE_OPTIONAL_OPTIONAL_FLC_19NOV2002_HPP
-#define PADDLE_OPTIONAL_OPTIONAL_FLC_19NOV2002_HPP
+#pragma once
 
 #include <algorithm>
 #include <functional>
@@ -27,6 +26,8 @@
 
 #include "none.h"
 
+namespace paddle {
+
 // Daniel Wallin discovered that bind/apply.hpp badly interacts with the apply<>
 // member template of a factory as used in the optional<> implementation.
 // He proposed this simple fix which is to move the call to apply<> outside
@@ -38,7 +39,6 @@ void construct(Factory const& factory, void* address) {
 }
 }
 
-namespace paddle {
 template <typename T>
 class optional;
 
@@ -865,5 +865,3 @@ inline void optional_swap(optional<T>& x, optional<T>& y) {
 }  // namespace optional_detail
 
 }  // namespace paddle
-
-#endif

paddle/utils/small_vector.h

@@ -18,8 +18,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef PADDLE_UTILS_SMALL_VECTOR_H_
-#define PADDLE_UTILS_SMALL_VECTOR_H_
+#pragma once
 
 #include <algorithm>
 #include <cassert>
@@ -1461,7 +1460,7 @@ static_assert(sizeof(SmallVectorSizeType<char>) == sizeof(uint32_t),
               "Expected SmallVectorBase<uint32_t> variant to be in use.");
 #endif
 
-}  // end namespace paddle
+}  // namespace paddle
 
 namespace std {
 
@@ -1479,6 +1478,4 @@ inline void swap(paddle::SmallVector<T, N> &LHS,
   LHS.swap(RHS);
 }
 
-}  // end namespace std
-
-#endif  // PADDLE_UTILS_SMALL_VECTOR_H_
+}  // namespace std