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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_exactly.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/ext/std/integer_sequence.hpp>
#include <boost/hana/integral_constant.hpp>
#include <utility>
namespace hana = boost::hana;
int main() {
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front_exactly(std::index_sequence<0>{}),
std::index_sequence<>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front_exactly(std::index_sequence<0, 1>{}),
std::index_sequence<1>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front_exactly(std::index_sequence<0, 1, 2>{}),
std::index_sequence<1, 2>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front_exactly(std::index_sequence<0, 1, 2>{}, hana::size_c<2>),
std::index_sequence<2>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front_exactly(std::index_sequence<0, 1, 2, 3>{}, hana::size_c<2>),
std::index_sequence<2, 3>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::drop_front_exactly(std::index_sequence<0, 1, 2, 3>{}, hana::size_c<3>),
std::index_sequence<3>{}
));
}
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