31 lines
912 B
C++
31 lines
912 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/contains.hpp>
|
|
#include <boost/hana/integral_constant.hpp>
|
|
#include <boost/hana/keys.hpp>
|
|
#include <boost/hana/map.hpp>
|
|
#include <boost/hana/pair.hpp>
|
|
#include <boost/hana/permutations.hpp>
|
|
#include <boost/hana/tuple.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::int_c<1>, "foobar"s),
|
|
hana::make_pair(hana::type_c<void>, 1234)
|
|
);
|
|
|
|
// The order of the keys is unspecified.
|
|
BOOST_HANA_CONSTANT_CHECK(
|
|
hana::keys(m) ^hana::in^ hana::permutations(hana::make_tuple(hana::int_c<1>, hana::type_c<void>))
|
|
);
|
|
}
|