hana/test/ext/std/integer_sequence/is_empty.cpp
2017-01-07 14:14:18 -08:00

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639 B
C++

// 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/ext/std/integer_sequence.hpp>
#include <boost/hana/is_empty.hpp>
#include <boost/hana/not.hpp>
#include <utility>
namespace hana = boost::hana;
int main() {
BOOST_HANA_CONSTANT_CHECK(hana::is_empty(std::index_sequence<>{}));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(std::index_sequence<0>{})));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(std::index_sequence<1>{})));
}