libs/hana/example/set/insert.cpp

   1 // Copyright Louis Dionne 2013-2017
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/hana/assert.hpp>
   6 #include <boost/hana/equal.hpp>
   7 #include <boost/hana/insert.hpp>
   8 #include <boost/hana/integral_constant.hpp>
   9 #include <boost/hana/set.hpp>
  10 #include <boost/hana/string.hpp>
  11 #include <boost/hana/type.hpp>
  12 namespace hana = boost::hana;
  13
  14
  15 int main() {
  16     constexpr auto xs = hana::make_set(hana::int_c<0>, hana::type_c<int>);
  17     BOOST_HANA_CONSTANT_CHECK(
  18         hana::insert(xs, BOOST_HANA_STRING("abc")) ==
  19         hana::make_set(hana::int_c<0>, hana::type_c<int>, BOOST_HANA_STRING("abc"))
  20     );
  21
  22     BOOST_HANA_CONSTANT_CHECK(
  23         hana::insert(xs, hana::int_c<0>) == hana::make_set(hana::int_c<0>, hana::type_c<int>)
  24     );
  25 }