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// 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/equal.hpp>
#include <boost/hana/experimental/types.hpp>
#include <boost/hana/type.hpp>
#include <boost/hana/unpack.hpp>
#include <laws/base.hpp>
namespace hana = boost::hana;
template <typename ...>
struct mf { struct type; };
template <int> struct x;
int main() {
// with a Metafunction
{
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<>{}, hana::metafunction<mf>),
hana::type_c<mf<>::type>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>>{}, hana::metafunction<mf>),
hana::type_c<mf<x<0>>::type>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>, x<1>>{}, hana::metafunction<mf>),
hana::type_c<mf<x<0>, x<1>>::type>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>>{}, hana::metafunction<mf>),
hana::type_c<mf<x<0>, x<1>, x<2>>::type>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::metafunction<mf>),
hana::type_c<mf<x<0>, x<1>, x<2>, x<3>>::type>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>, x<3>, x<4>>{}, hana::metafunction<mf>),
hana::type_c<mf<x<0>, x<1>, x<2>, x<3>, x<4>>::type>
));
}
// with a non-Metafunction
{
auto f = hana::test::_injection<0>{};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<>{}, f),
f()
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>>{}, f),
f(hana::type_c<x<0>>)
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>, x<1>>{}, f),
f(hana::type_c<x<0>>, hana::type_c<x<1>>)
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>>{}, f),
f(hana::type_c<x<0>>, hana::type_c<x<1>>, hana::type_c<x<2>>)
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, f),
f(hana::type_c<x<0>>, hana::type_c<x<1>>, hana::type_c<x<2>>, hana::type_c<x<3>>)
));
}
}
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