1 // Copyright Louis Dionne 2013-2017
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
4 
5 #include <boost/hana/tuple.hpp>
6 
7 #include <type_traits>
8 namespace hana = boost::hana;
9 
10 
11 // See this bug: https://llvm.org/bugs/show_bug.cgi?id=24173
12 
13 template <typename ...Xs>
f(Xs &&...xs)14 constexpr hana::tuple<std::decay_t<Xs>...> f(Xs&& ...xs)
15 { return hana::tuple<std::decay_t<Xs>...>{static_cast<Xs&&>(xs)...}; }
16 
main()17 int main() {
18     f(f(f(f(f(f(f(f(f(f(f(f(1))))))))))));
19 }
20