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hana/test/ext/std/array/iterable/head.cpp
2014-07-07 12:42:20 -04:00

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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/ext/std/array.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <array>
using namespace boost::hana;
template <int ...i>
constexpr auto array = std::array<int, sizeof...(i)>{{i...}};
int main() {
BOOST_HANA_STATIC_ASSERT(head(array<0>) == 0);
BOOST_HANA_STATIC_ASSERT(head(array<0, 1>) == 0);
BOOST_HANA_STATIC_ASSERT(head(array<0, 1, 2>) == 0);
}