AimRT/_deps/boost-src/libs/hana/test/detail/unpack_flatten.cpp
2025-01-12 20:40:48 +08:00

115 lines
3.5 KiB
C++

// Copyright Louis Dionne 2013-2022
// 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/detail/unpack_flatten.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/tuple.hpp>
#include <laws/base.hpp>
namespace hana = boost::hana;
using hana::test::ct_eq;
int main() {
constexpr auto f = hana::test::_injection<0>{};
{
auto tuples = hana::make_tuple();
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f()
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple());
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f()
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(), hana::make_tuple());
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f()
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(),
hana::make_tuple(),
hana::make_tuple());
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f()
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f(ct_eq<0>{})
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}, ct_eq<1>{}));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f(ct_eq<0>{}, ct_eq<1>{})
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(),
hana::make_tuple(ct_eq<0>{}));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f(ct_eq<0>{})
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(),
hana::make_tuple(ct_eq<0>{}, ct_eq<1>{}));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f(ct_eq<0>{}, ct_eq<1>{})
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}),
hana::make_tuple(ct_eq<1>{}));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f(ct_eq<0>{}, ct_eq<1>{})
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}),
hana::make_tuple(ct_eq<1>{}),
hana::make_tuple(ct_eq<2>{}));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
));
}
{
auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}),
hana::make_tuple(ct_eq<1>{}),
hana::make_tuple(ct_eq<2>{}, ct_eq<3>{}));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::detail::unpack_flatten(tuples, f),
f(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
));
}
}