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/mpl/fold.hpp> 6 #include <boost/mpl/push_back.hpp> 7 #include <boost/mpl/quote.hpp> 8 #include <boost/mpl/vector.hpp> 9 10 11 template <typename State, typename X> 12 struct f { using type = X; }; 13 14 struct state { }; 15 16 template <int i> 17 struct t { }; 18 19 using vector = <%= mpl_vector((1..input_size).to_a.map { |n| "t<#{n}>" }) %>; 20 21 using result = boost::mpl::fold<vector, state, boost::mpl::quote2<f>>::type; 22 23 main()24int main() { } 25