mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-04 21:42:39 +00:00
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
|
// Copyright David Abrahams 2006. 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)
|
||
|
#ifndef BOOST_CONCEPT_USAGE_DWA2006919_HPP
|
||
|
# define BOOST_CONCEPT_USAGE_DWA2006919_HPP
|
||
|
|
||
|
# include <boost/concept/assert.hpp>
|
||
|
# include <boost/detail/workaround.hpp>
|
||
|
# include <boost/concept/detail/backward_compatibility.hpp>
|
||
|
|
||
|
namespace boost { namespace concepts {
|
||
|
|
||
|
template <class Model>
|
||
|
struct usage_requirements
|
||
|
{
|
||
|
~usage_requirements() { ((Model*)0)->~Model(); }
|
||
|
};
|
||
|
|
||
|
# if BOOST_WORKAROUND(__GNUC__, <= 3)
|
||
|
|
||
|
# define BOOST_CONCEPT_USAGE(model) \
|
||
|
model(); /* at least 2.96 and 3.4.3 both need this :( */ \
|
||
|
BOOST_CONCEPT_ASSERT((boost::concepts::usage_requirements<model>)); \
|
||
|
~model()
|
||
|
|
||
|
# else
|
||
|
|
||
|
# define BOOST_CONCEPT_USAGE(model) \
|
||
|
BOOST_CONCEPT_ASSERT((boost::concepts::usage_requirements<model>)); \
|
||
|
~model()
|
||
|
|
||
|
# endif
|
||
|
|
||
|
}} // namespace boost::concepts
|
||
|
|
||
|
#endif // BOOST_CONCEPT_USAGE_DWA2006919_HPP
|