blob: 7ec66997fcecf08d3fa09125772d0f873f4153f6 [file] [log] [blame]
/***************************************************************************
*
* This is an internal header file used to implement the C++ Standard
* Library. It should never be #included directly by a program.
*
* $Id$
*
***************************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you 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.
*
* Copyright 2008 Rogue Wave Software, Inc.
*
**************************************************************************/
#ifndef _RWSTD_RW_STATIC_ASSERT_H_INCLUDED
#define _RWSTD_RW_STATIC_ASSERT_H_INCLUDED
#include <rw/_defs.h>
_RWSTD_NAMESPACE (__rw) {
/**
* Template used to perform compile time assertions at class or global scope.
*/
template <bool _Cond>
struct __rw_static_assert
{
};
template <bool _Cond>
struct __rw_assert_failed;
template <>
struct __rw_assert_failed<true>
{
};
} // namespace __rw
#ifndef _RWSTD_NO_STATIC_ASSERT
# define _RWSTD_STATIC_ASSERT(Cond,Mesg) static_assert(Cond, Mesg)
#else
# define _RWSTD_STATIC_ASSERT(Cond,Mesg) \
typedef \
_RW::__rw_static_assert<sizeof (_RW::__rw_assert_failed<(Cond)>) != 0> \
_RWSTD_PASTE(__static_assert,__LINE__)
#endif // _RWSTD_NO_STATIC_ASSERT
#endif // _RWSTD_RW_STATIC_ASSERT_H_INCLUDED