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32 lines
1.3 KiB
C++
32 lines
1.3 KiB
C++
/*
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@copyright Louis Dionne 2014
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/ext/std/tuple.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/detail/laws.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <boost/hana/integral.hpp>
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#include <tuple>
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using namespace boost::hana;
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BOOST_HANA_CONSTEXPR_LAMBDA auto f = [](auto i) { return i + int_<1>; };
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BOOST_HANA_CONSTEXPR_LAMBDA auto g = [](auto i) { return i * int_<3>; };
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int main() {
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BOOST_HANA_STATIC_ASSERT(fmap(f, std::make_tuple()) == std::make_tuple());
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BOOST_HANA_STATIC_ASSERT(fmap(f, std::make_tuple(int_<1>)) == std::make_tuple(f(int_<1>)));
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BOOST_HANA_STATIC_ASSERT(fmap(f, std::make_tuple(int_<1>, int_<2>)) == std::make_tuple(f(int_<1>), f(int_<2>)));
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BOOST_HANA_STATIC_ASSERT(fmap(f, std::make_tuple(int_<1>, int_<2>, int_<3>)) == std::make_tuple(f(int_<1>), f(int_<2>), f(int_<3>)));
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BOOST_HANA_STATIC_ASSERT(detail::laws<Functor>(std::make_tuple(), f, g));
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BOOST_HANA_STATIC_ASSERT(detail::laws<Functor>(std::make_tuple(int_<1>), f, g));
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BOOST_HANA_STATIC_ASSERT(detail::laws<Functor>(std::make_tuple(int_<1>, int_<2>), f, g));
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BOOST_HANA_STATIC_ASSERT(detail::laws<Functor>(std::make_tuple(1, 2, 3), f, g));
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}
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