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hana/test/range/foldable.cpp
2014-06-12 13:33:38 -04:00

27 lines
1.1 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/range.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <boost/hana/integral.hpp>
#include <boost/hana/list.hpp>
using namespace boost::hana;
int main() {
BOOST_HANA_STATIC_ASSERT(unpack(list, range(int_<0>, int_<0>)) == list());
BOOST_HANA_STATIC_ASSERT(unpack(list, range(int_<0>, int_<1>)) == list_c<int, 0>);
BOOST_HANA_STATIC_ASSERT(unpack(list, range(int_<0>, int_<2>)) == list_c<int, 0, 1>);
BOOST_HANA_STATIC_ASSERT(unpack(list, range(int_<0>, int_<3>)) == list_c<int, 0, 1, 2>);
BOOST_HANA_STATIC_ASSERT(length(range(int_<0>, int_<0>)) == int_<0>);
BOOST_HANA_STATIC_ASSERT(length(range(int_<0>, int_<1>)) == int_<1>);
BOOST_HANA_STATIC_ASSERT(length(range(int_<0>, int_<2>)) == int_<2>);
BOOST_HANA_STATIC_ASSERT(length(range(int_<4>, int_<4>)) == int_<0>);
BOOST_HANA_STATIC_ASSERT(length(range(int_<4>, int_<10>)) == int_<6>);
}