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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/drop_front.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/experimental/types.hpp>
#include <boost/hana/integral_constant.hpp>
namespace hana = boost::hana;
template <int> struct x;
int main() {
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<>{}, hana::size_c<0>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<>{}, hana::size_c<1>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>>{}, hana::size_c<0>),
hana::experimental::types<x<0>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>>{}, hana::size_c<1>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>>{}, hana::size_c<2>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>>{}, hana::size_c<0>),
hana::experimental::types<x<0>, x<1>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>>{}, hana::size_c<1>),
hana::experimental::types<x<1>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>>{}, hana::size_c<2>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>>{}, hana::size_c<3>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>>{}, hana::size_c<0>),
hana::experimental::types<x<0>, x<1>, x<2>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>>{}, hana::size_c<1>),
hana::experimental::types<x<1>, x<2>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>>{}, hana::size_c<2>),
hana::experimental::types<x<2>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>>{}, hana::size_c<3>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>>{}, hana::size_c<4>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::size_c<0>),
hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::size_c<1>),
hana::experimental::types<x<1>, x<2>, x<3>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::size_c<2>),
hana::experimental::types<x<2>, x<3>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::size_c<3>),
hana::experimental::types<x<3>>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::size_c<4>),
hana::experimental::types<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::size_c<5>),
hana::experimental::types<>{}
));
}
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