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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/tuple.hpp>
#include <type_traits>
namespace hana = boost::hana;
// See this bug: https://llvm.org/bugs/show_bug.cgi?id=24173
template <typename ...Xs>
constexpr hana::tuple<std::decay_t<Xs>...> f(Xs&& ...xs)
{ return hana::tuple<std::decay_t<Xs>...>{static_cast<Xs&&>(xs)...}; }
int main() {
f(f(f(f(f(f(f(f(f(f(f(f(1))))))))))));
}
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