| 1 | // Copyright Louis Dionne 2013-2022 |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) |
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| 4 | |
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| 5 | #include <boost/hana/assert.hpp> |
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| 6 | #include <boost/hana/erase_key.hpp> |
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| 7 | #include <boost/hana/map.hpp> |
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| 8 | #include <boost/hana/pair.hpp> |
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| 9 | #include <boost/hana/string.hpp> |
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| 10 | #include <boost/hana/type.hpp> |
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| 11 | |
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| 12 | #include <string> |
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| 13 | namespace hana = boost::hana; |
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| 14 | using namespace std::literals; |
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| 15 | |
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| 16 | |
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| 17 | int main() { |
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| 18 | auto m = hana::make_map( |
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| 19 | hana::make_pair(hana::type_c<int>, "abcd"s ), |
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| 20 | hana::make_pair(hana::type_c<void>, 1234), |
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| 21 | hana::make_pair(BOOST_HANA_STRING("foobar!" ), hana::type_c<char>) |
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| 22 | ); |
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| 23 | |
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| 24 | BOOST_HANA_RUNTIME_CHECK( |
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| 25 | hana::erase_key(m, BOOST_HANA_STRING("foobar!" )) == |
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| 26 | hana::make_map( |
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| 27 | hana::make_pair(hana::type_c<int>, "abcd"s ), |
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| 28 | hana::make_pair(hana::type_c<void>, 1234) |
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| 29 | ) |
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| 30 | ); |
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| 31 | |
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| 32 | BOOST_HANA_RUNTIME_CHECK(hana::erase_key(m, hana::type_c<char>) == m); |
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| 33 | } |
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| 34 | |
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