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Adapt std::array.

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Louis Dionne
2014-05-19 13:01:01 -04:00
parent 8c7cdf7e02
commit 0fb1d96522
4 changed files with 91 additions and 0 deletions
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32
test/std_array.cpp Normal file
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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://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/hana/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(is_empty(array<>));
BOOST_HANA_STATIC_ASSERT(!is_empty(array<0>));
BOOST_HANA_STATIC_ASSERT(!is_empty(array<0, 1>));
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);
BOOST_HANA_STATIC_ASSERT(tail(array<0>) == array<>);
BOOST_HANA_STATIC_ASSERT(tail(array<0, 1>) == array<1>);
BOOST_HANA_STATIC_ASSERT(tail(array<0, 1, 2>) == array<1, 2>);
BOOST_HANA_STATIC_ASSERT(tail(array<0, 1, 2, 3>) == array<1, 2, 3>);
}