mirror of https://gitee.com/bigwinds/arangodb
28 lines
828 B
C++
28 lines
828 B
C++
// Copyright Louis Dionne 2013-2016
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#include <boost/hana/assert.hpp>
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#include <boost/hana/at_key.hpp>
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#include <boost/hana/integral_constant.hpp>
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#include <boost/hana/map.hpp>
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#include <boost/hana/pair.hpp>
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#include <boost/hana/type.hpp>
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#include <string>
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namespace hana = boost::hana;
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int main() {
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auto m = hana::make_map(
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hana::make_pair(hana::type_c<int>, std::string{"int"}),
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hana::make_pair(hana::int_c<3>, std::string{"3"})
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);
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BOOST_HANA_RUNTIME_CHECK(hana::at_key(m, hana::type_c<int>) == "int");
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// usage as operator[]
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BOOST_HANA_RUNTIME_CHECK(m[hana::type_c<int>] == "int");
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BOOST_HANA_RUNTIME_CHECK(m[hana::int_c<3>] == "3");
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}
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