1 // Copyright Louis Dionne 2013-2017
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
4 
5 #include <boost/hana/assert.hpp>
6 #include <boost/hana/core/make.hpp>
7 #include <boost/hana/equal.hpp>
8 #include <boost/hana/integral_constant.hpp>
9 #include <boost/hana/length.hpp>
10 #include <boost/hana/range.hpp>
11 namespace hana = boost::hana;
12 
13 
main()14 int main() {
15     BOOST_HANA_CONSTANT_CHECK(hana::equal(
16         hana::length(hana::make_range(hana::int_c<0>, hana::int_c<0>)),
17         hana::size_c<0>
18     ));
19     BOOST_HANA_CONSTANT_CHECK(hana::equal(
20         hana::length(hana::make_range(hana::int_c<0>, hana::int_c<1>)),
21         hana::size_c<1>
22     ));
23     BOOST_HANA_CONSTANT_CHECK(hana::equal(
24         hana::length(hana::make_range(hana::int_c<0>, hana::int_c<2>)),
25         hana::size_c<2>
26     ));
27     BOOST_HANA_CONSTANT_CHECK(hana::equal(
28         hana::length(hana::make_range(hana::int_c<4>, hana::int_c<4>)),
29         hana::size_c<0>
30     ));
31     BOOST_HANA_CONSTANT_CHECK(hana::equal(
32         hana::length(hana::make_range(hana::int_c<4>, hana::int_c<10>)),
33         hana::size_c<6>
34     ));
35 }
36