text: /*
  @copyright Louis Dionne 2014
  Distributed under the Boost Software License, Version 1.0.
  (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   */
  
  #include <boost/hana/set.hpp>
  
  #include <boost/hana/comparable/laws.hpp>
  #include <boost/hana/detail/assert.hpp>
  #include <boost/hana/integral.hpp>
  #include <boost/hana/list/instance.hpp>
  using namespace boost::hana;
  
  
  template <int i>
  constexpr auto x = int_<i>;
  
  int main() {
      BOOST_HANA_CONSTANT_ASSERT(Comparable::laws::check(
          list(
              set(),
              set(x<0>),
              set(x<0>, x<1>),
              set(x<1>, x<0>),
              set(x<0>, x<1>, x<2>)
          )
      ));
  }
  