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hana/test/list/instance/iterable/at.cpp

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/*
@copyright Louis Dionne 2014
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/list/instance.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <boost/hana/integral.hpp>
using namespace boost::hana;
int main() {
BOOST_HANA_STATIC_ASSERT(at(size_t<0>, list(int_<0>)) == int_<0>);
BOOST_HANA_STATIC_ASSERT(at(size_t<0>, list(int_<0>, int_<1>)) == int_<0>);
BOOST_HANA_STATIC_ASSERT(at(size_t<1>, list(int_<0>, int_<1>)) == int_<1>);
BOOST_HANA_STATIC_ASSERT(at(size_t<1>, list(int_<0>, int_<1>, int_<2>)) == int_<1>);
BOOST_HANA_STATIC_ASSERT(at(size_t<3>, list(int_<0>, int_<1>, int_<2>, int_<3>)) == int_<3>);
BOOST_HANA_STATIC_ASSERT(at(size_t<2>, list(0, '1', 2.2, int_<3>)) == 2.2);
}