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27 lines
828 B
C++
27 lines
828 B
C++
// Copyright Louis Dionne 2013-2022
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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/equal.hpp>
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#include <boost/hana/type.hpp>
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#include <type_traits>
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namespace hana = boost::hana;
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template <typename ...> struct f { struct type; };
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struct x;
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struct y;
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BOOST_HANA_CONSTANT_CHECK(hana::metafunction<f>() == hana::type_c<f<>::type>);
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BOOST_HANA_CONSTANT_CHECK(hana::metafunction<f>(hana::type_c<x>) == hana::type_c<f<x>::type>);
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BOOST_HANA_CONSTANT_CHECK(hana::metafunction<f>(hana::type_c<x>, hana::type_c<y>) == hana::type_c<f<x, y>::type>);
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static_assert(std::is_same<
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decltype(hana::metafunction<f>)::apply<x, y>::type,
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f<x, y>::type
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>::value, "");
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int main() { }
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