// Copyright 2015 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef CRASHPAD_COMPAT_NON_CXX11_LIB_TYPE_TRAITS_
#define CRASHPAD_COMPAT_NON_CXX11_LIB_TYPE_TRAITS_

#include "util/stdlib/cxx.h"

#if CXX_LIBRARY_VERSION >= 2011

#include_next <type_traits>

#else

namespace std {

template <class T>
struct remove_reference { using type = T; };
template <class T>
struct remove_reference<T&> { using type = T; };

template <typename T, typename S>
struct is_same { enum { value = false }; };
template <typename T>
struct is_same<T, T> { enum { value = true }; };

}  // namespace std

#endif  // CXX_LIBRARY_VERSION

#endif  // CRASHPAD_COMPAT_NON_CXX11_LIB_TYPE_TRAITS_
