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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/optional.hpp>
- #include <laws/base.hpp>
- namespace hana = boost::hana;
- // This test makes sure that we do not instantiate rogue contructors when
- // trying to copy a hana::just.
- int main() {
- auto just = hana::just(hana::test::trap_construct{});
- auto implicit_copy = just;
- decltype(just) explicit_copy(just);
- (void)implicit_copy;
- (void)explicit_copy;
- }
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