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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/assert.hpp>
- #include <boost/hana/fuse.hpp>
- #include <boost/hana/tuple.hpp>
- namespace hana = boost::hana;
- auto tie = [](auto& ...vars) {
- return hana::fuse([&vars...](auto ...values) {
- // Using an initializer list to sequence the assignments.
- int dummy[] = {0, ((void)(vars = values), 0)...};
- (void)dummy;
- });
- };
- int main() {
- int a = 0;
- char b = '\0';
- double c = 0;
- tie(a, b, c)(hana::make_tuple(1, '2', 3.3));
- BOOST_HANA_RUNTIME_CHECK(a == 1 && b == '2' && c == 3.3);
- }
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