/*
 * Copyright (c) 2013-2015, Roland Bock
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 *   Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * 
 *   Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SQLPP_IS_REGULAR_H
#define SQLPP_IS_REGULAR_H

#include <type_traits>

namespace sqlpp
{
	template<typename T>
		struct is_regular
		{
#if defined __clang__
  #if __has_feature(cxx_thread_local)
    #define SQLPP_TEST_NO_THROW_MOVE_CONSTRUCTIBLE // clang 3.2 has a problem with nothrow_constructibility (it also does not have thread_local support)
  #endif
#else
  #define SQLPP_TEST_NO_THROW_MOVE_CONSTRUCTIBLE
#endif

			static constexpr bool value = true
#if defined SQLPP_TEST_NO_THROW_MOVE_CONSTRUCTIBLE
				and std::is_nothrow_move_constructible<T>::value
#endif
				and std::is_move_assignable<T>::value // containers and strings are not noexcept_assignable
				and std::is_copy_constructible<T>::value
				and std::is_copy_assignable<T>::value
				// default constructor makes no sense
				// (not) equals would be possible
				// not sure about less
				;
		};
}

#endif