hana/example/map/insert.cpp
2017-01-07 14:14:18 -08:00

33 lines
978 B
C++

// Copyright Louis Dionne 2013-2017
// 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/assert.hpp>
#include <boost/hana/insert.hpp>
#include <boost/hana/map.hpp>
#include <boost/hana/pair.hpp>
#include <boost/hana/type.hpp>
#include <string>
namespace hana = boost::hana;
using namespace std::literals;
int main() {
auto m = hana::make_map(
hana::make_pair(hana::type_c<int>, "abcd"s),
hana::make_pair(hana::type_c<void>, 1234)
);
BOOST_HANA_RUNTIME_CHECK(
hana::insert(m, hana::make_pair(hana::type_c<float>, 'x')) ==
hana::make_map(
hana::make_pair(hana::type_c<int>, "abcd"s),
hana::make_pair(hana::type_c<void>, 1234),
hana::make_pair(hana::type_c<float>, 'x')
)
);
BOOST_HANA_RUNTIME_CHECK(hana::insert(m, hana::make_pair(hana::type_c<void>, 'x')) == m);
}