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hana/test/list/applicative.cpp
2014-06-22 10:51:53 -04:00

44 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/list.hpp>
#include <boost/hana/detail/constexpr.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <tuple>
using namespace boost::hana;
BOOST_HANA_CONSTEXPR_LAMBDA auto f = [](auto ...xs) {
return std::make_tuple(1, xs...);
};
BOOST_HANA_CONSTEXPR_LAMBDA auto g = [](auto ...xs) {
return std::make_tuple(2, xs...);
};
int main() {
BOOST_HANA_STATIC_ASSERT(lift<List>(1) == list(1));
BOOST_HANA_STATIC_ASSERT(lift<List>(1.1) == list(1.1));
BOOST_HANA_STATIC_ASSERT(lift<List>('1') == list('1'));
BOOST_HANA_STATIC_ASSERT(ap(list(), list()) == list());
BOOST_HANA_STATIC_ASSERT(ap(list(), list(1)) == list());
BOOST_HANA_STATIC_ASSERT(ap(list(), list(1, '2')) == list());
BOOST_HANA_STATIC_ASSERT(ap(list(), list(1, '2', 3.3)) == list());
BOOST_HANA_STATIC_ASSERT(ap(list(f), list()) == list());
BOOST_HANA_STATIC_ASSERT(ap(list(f), list(1)) == list(f(1)));
BOOST_HANA_STATIC_ASSERT(ap(list(f), list(1, '2')) == list(f(1), f('2')));
BOOST_HANA_STATIC_ASSERT(ap(list(f), list(1, '2', 3.3)) == list(f(1), f('2'), f(3.3)));
BOOST_HANA_STATIC_ASSERT(ap(list(f, g), list()) == list());
BOOST_HANA_STATIC_ASSERT(ap(list(f, g), list(1)) == list(f(1), g(1)));
BOOST_HANA_STATIC_ASSERT(ap(list(f, g), list(1, '2')) == list(f(1), f('2'), g(1), g('2')));
BOOST_HANA_STATIC_ASSERT(ap(list(f, g), list(1, '2', 3.3)) == list(f(1), f('2'), f(3.3), g(1), g('2'), g(3.3)));
}