mirror of
https://github.com/rbock/sqlpp11.git
synced 2024-12-24 23:01:04 +08:00
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/*
|
|
* 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 _MSC_VER
|
|
#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
|
|
;
|
|
};
|
|
}
|
|
|
|
#endif
|