text: // Copyright Louis Dionne 2013-2016
  // 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/all_of.hpp>
  #include <boost/hana/assert.hpp>
  #include <boost/hana/config.hpp>
  #include <boost/hana/contains.hpp>
  #include <boost/hana/functional/curry.hpp>
  #include <boost/hana/permutations.hpp>
  #include <boost/hana/tuple.hpp>
  namespace hana = boost::hana;
  
  
  BOOST_HANA_CONSTEXPR_LAMBDA auto is_permutation_of = hana::curry<2>([](auto xs, auto perm) {
      return hana::contains(hana::permutations(xs), perm);
  });
  
  int main() {
      BOOST_HANA_CONSTEXPR_CHECK(
          hana::all_of(
              hana::make_tuple(
                  hana::make_tuple('1', 2, 3.0),
                  hana::make_tuple('1', 3.0, 2),
                  hana::make_tuple(2, '1', 3.0),
                  hana::make_tuple(2, 3.0, '1'),
                  hana::make_tuple(3.0, '1', 2),
                  hana::make_tuple(3.0, 2, '1')
              ),
              is_permutation_of(hana::make_tuple('1', 2, 3.0))
          )
      );
  }
  