2
0
mirror of https://github.com/boostorg/hana.git synced 2026-02-15 13:12:12 +00:00
Files
hana/test/foldable/elem.cpp
2014-06-20 21:35:58 -04:00

45 lines
1.6 KiB
C++

/*
@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/foldable.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <boost/hana/integral.hpp>
#include "minimal_foldable.hpp"
using namespace boost::hana;
int main() {
BOOST_HANA_STATIC_ASSERT(!elem(int_<0>, foldable()));
BOOST_HANA_STATIC_ASSERT( elem(int_<0>, foldable(int_<0>)));
BOOST_HANA_STATIC_ASSERT(!elem(int_<0>, foldable(int_<1>)));
BOOST_HANA_STATIC_ASSERT( elem(int_<0>, foldable(int_<0>, int_<1>)));
BOOST_HANA_STATIC_ASSERT(!elem(int_<0>, foldable(int_<1>, int_<2>)));
BOOST_HANA_STATIC_ASSERT( elem(int_<0>, foldable(int_<1>, int_<0>)));
BOOST_HANA_STATIC_ASSERT( elem(int_<0>, foldable(int_<1>, int_<0>, int_<3>)));
BOOST_HANA_STATIC_ASSERT(!elem(int_<0>, foldable(int_<1>, int_<2>, int_<3>)));
BOOST_HANA_STATIC_ASSERT( elem(int_<0>, foldable(int_<1>, int_<2>, int_<0>)));
BOOST_HANA_STATIC_ASSERT( elem(int_<0>, foldable(int_<0>, int_<2>, int_<0>)));
BOOST_HANA_STATIC_ASSERT( elem(0, foldable(0)));
BOOST_HANA_STATIC_ASSERT(!elem(0, foldable(1)));
BOOST_HANA_STATIC_ASSERT( elem(0, foldable(0, 1)));
BOOST_HANA_STATIC_ASSERT(!elem(0, foldable(1, 2)));
BOOST_HANA_STATIC_ASSERT( elem(0, foldable(1, 0)));
BOOST_HANA_STATIC_ASSERT( elem(0, foldable(1, 0, 3)));
BOOST_HANA_STATIC_ASSERT(!elem(0, foldable(1, 2, 3)));
BOOST_HANA_STATIC_ASSERT( elem(0, foldable(1, 2, 0)));
BOOST_HANA_STATIC_ASSERT( elem(0, foldable(0, 2, 0)));
}