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- // 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/cartesian_product.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/tuple.hpp>
- #include <boost/hana/type.hpp>
- namespace hana = boost::hana;
- constexpr auto tuples = hana::make_tuple(
- hana::make_tuple(1, 2, 3),
- hana::make_tuple('a', 'b'),
- hana::make_tuple(hana::type_c<int>, hana::type_c<char>)
- );
- constexpr auto prod = hana::make_tuple(
- hana::make_tuple(1, 'a', hana::type_c<int>),
- hana::make_tuple(1, 'a', hana::type_c<char>),
- hana::make_tuple(1, 'b', hana::type_c<int>),
- hana::make_tuple(1, 'b', hana::type_c<char>),
- hana::make_tuple(2, 'a', hana::type_c<int>),
- hana::make_tuple(2, 'a', hana::type_c<char>),
- hana::make_tuple(2, 'b', hana::type_c<int>),
- hana::make_tuple(2, 'b', hana::type_c<char>),
- hana::make_tuple(3, 'a', hana::type_c<int>),
- hana::make_tuple(3, 'a', hana::type_c<char>),
- hana::make_tuple(3, 'b', hana::type_c<int>),
- hana::make_tuple(3, 'b', hana::type_c<char>)
- );
- static_assert(hana::cartesian_product(tuples) == prod, "");
- int main() { }
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