123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657 |
- // Copyright Louis Dionne 2013-2017
- // 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/assert.hpp>
- #include <boost/hana/core/make.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/find.hpp>
- #include <boost/hana/integral_constant.hpp>
- #include <boost/hana/optional.hpp>
- #include <boost/hana/range.hpp>
- #include <support/cnumeric.hpp>
- namespace hana = boost::hana;
- int main() {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::find(hana::make_range(hana::int_c<0>, hana::int_c<0>), cnumeric<int, 0>),
- hana::nothing
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::find(hana::make_range(hana::int_c<0>, hana::int_c<1>), cnumeric<int, 0>),
- hana::just(hana::int_c<0>)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::find(hana::make_range(hana::int_c<0>, hana::int_c<10>), cnumeric<int, 3>),
- hana::just(hana::int_c<3>)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::find(hana::make_range(hana::int_c<0>, hana::int_c<10>), cnumeric<int, 9>),
- hana::just(hana::int_c<9>)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::find(hana::make_range(hana::int_c<-10>, hana::int_c<10>), cnumeric<int, -10>),
- hana::just(hana::int_c<-10>)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::find(hana::make_range(hana::int_c<-10>, hana::int_c<10>), cnumeric<int, -5>),
- hana::just(hana::int_c<-5>)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::find(hana::make_range(hana::int_c<-10>, hana::int_c<0>), cnumeric<int, 3>),
- hana::nothing
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::find(hana::make_range(hana::int_c<0>, hana::int_c<10>), cnumeric<int, 15>),
- hana::nothing
- ));
- }
|