71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
// Copyright Louis Dionne 2013-2017
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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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#include <boost/hana/detail/variadic/reverse_apply.hpp>
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#include <boost/hana/detail/variadic/reverse_apply/flat.hpp>
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#include <boost/hana/detail/variadic/reverse_apply/unrolled.hpp>
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#include <boost/hana/assert.hpp>
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#include <boost/hana/equal.hpp>
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#include <laws/base.hpp>
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namespace hana = boost::hana;
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using hana::test::ct_eq;
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auto check = [](auto reverse_apply) {
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hana::test::_injection<0> f{};
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f),
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f()
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}),
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f(ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}),
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f(ct_eq<1>{}, ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
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f(ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
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f(ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}),
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f(ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}),
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f(ct_eq<5>{}, ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}),
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f(ct_eq<6>{}, ct_eq<5>{}, ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
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f(ct_eq<7>{}, ct_eq<6>{}, ct_eq<5>{}, ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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reverse_apply(f, ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
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f(ct_eq<8>{}, ct_eq<7>{}, ct_eq<6>{}, ct_eq<5>{}, ct_eq<4>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}, ct_eq<0>{})
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));
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};
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int main() {
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check(hana::detail::variadic::reverse_apply);
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check([](auto f, auto ...x) {
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return hana::detail::variadic::reverse_apply_flat(f, x...);
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});
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check([](auto f, auto ...x) {
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return hana::detail::variadic::reverse_apply_unrolled(f, x...);
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});
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}
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