1 //  static_assert.hpp  --------------------------------------------------------------//
2 
3 //  Copyright 2009-2010 Vicente J. Botet Escriba
4 
5 //  Distributed under the Boost Software License, Version 1.0.
6 //  See http://www.boost.org/LICENSE_1_0.txt
7 
8 
9 #ifndef BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP
10 #define BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP
11 
12 #include <boost/chrono/config.hpp>
13 
14 #ifndef BOOST_NO_CXX11_STATIC_ASSERT
15 #define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) static_assert(CND,MSG)
16 #elif defined(BOOST_CHRONO_USES_STATIC_ASSERT)
17 #include <boost/static_assert.hpp>
18 #define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) BOOST_STATIC_ASSERT(CND)
19 #elif defined(BOOST_CHRONO_USES_MPL_ASSERT)
20 #include <boost/mpl/assert.hpp>
21 #include <boost/mpl/bool.hpp>
22 #define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES)                                 \
23     BOOST_MPL_ASSERT_MSG(boost::mpl::bool_< (CND) >::type::value, MSG, TYPES)
24 #else
25 //~ #elif defined(BOOST_CHRONO_USES_ARRAY_ASSERT)
26 #define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) static char BOOST_JOIN(boost_chrono_test_,__LINE__)[(CND)?1:-1]
27 //~ #define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES)
28 #endif
29 
30 #endif // BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP
31