/usr/include/boost/concept/usage.hpp is in libboost1.58-dev 1.58.0+dfsg-5ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | // 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
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