ceph/src/boost/libs/hana/example/map/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/insert.hpp>
   7 #include <boost/hana/map.hpp>
   8 #include <boost/hana/pair.hpp>
   9 #include <boost/hana/type.hpp>
  10
  11 #include <string>
  12 namespace hana = boost::hana;
  13 using namespace std::literals;
  14
  15
  16 int main() {
  17     auto m = hana::make_map(
  18         hana::make_pair(hana::type_c<int>, "abcd"s),
  19         hana::make_pair(hana::type_c<void>, 1234)
  20     );
  21
  22     BOOST_HANA_RUNTIME_CHECK(
  23         hana::insert(m, hana::make_pair(hana::type_c<float>, 'x')) ==
  24         hana::make_map(
  25             hana::make_pair(hana::type_c<int>, "abcd"s),
  26             hana::make_pair(hana::type_c<void>, 1234),
  27             hana::make_pair(hana::type_c<float>, 'x')
  28         )
  29     );
  30
  31     BOOST_HANA_RUNTIME_CHECK(hana::insert(m, hana::make_pair(hana::type_c<void>, 'x')) == m);
  32 }