34 lines
1005 B
C++
34 lines
1005 B
C++
// Copyright Louis Dionne 2013-2017
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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/erase_key.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/string.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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using namespace std::literals;
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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>, "abcd"s),
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hana::make_pair(hana::type_c<void>, 1234),
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hana::make_pair(BOOST_HANA_STRING("foobar!"), hana::type_c<char>)
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);
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BOOST_HANA_RUNTIME_CHECK(
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hana::erase_key(m, BOOST_HANA_STRING("foobar!")) ==
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hana::make_map(
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hana::make_pair(hana::type_c<int>, "abcd"s),
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hana::make_pair(hana::type_c<void>, 1234)
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)
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);
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BOOST_HANA_RUNTIME_CHECK(hana::erase_key(m, hana::type_c<char>) == m);
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}
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