// static_assert.hpp --------------------------------------------------------------//
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// Copyright 2009-2010 Vicente J. Botet Escriba
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// Distributed under the Boost Software License, Version 1.0.
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// See http://www.boost.org/LICENSE_1_0.txt
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#ifndef BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP
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#define BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP
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#include <boost/chrono/config.hpp>
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#ifndef BOOST_NO_CXX11_STATIC_ASSERT
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#define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) static_assert(CND,MSG)
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#elif defined(BOOST_CHRONO_USES_STATIC_ASSERT)
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#include <boost/static_assert.hpp>
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#define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) BOOST_STATIC_ASSERT(CND)
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#elif defined(BOOST_CHRONO_USES_MPL_ASSERT)
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#include <boost/mpl/assert.hpp>
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#include <boost/mpl/bool.hpp>
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#define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) \
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BOOST_MPL_ASSERT_MSG(boost::mpl::bool_< (CND) >::type::value, MSG, TYPES)
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#else
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//~ #elif defined(BOOST_CHRONO_USES_ARRAY_ASSERT)
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#define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) static char BOOST_JOIN(boost_chrono_test_,__LINE__)[(CND)?1:-1]
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//~ #define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES)
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#endif
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#endif // BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP
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