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)
5 #include <boost/hana/bool.hpp>
6 #include <boost/hana/find_if.hpp>
7 #include <boost/hana/integral_constant.hpp>
8 #include <boost/hana/set.hpp>
9 namespace hana = boost::hana;
14 constexpr auto operator()(N) const {
15 return hana::bool_c<N::value == <%= input_size %>>;
20 constexpr auto set = hana::make_set(
21 <%= (1..input_size).map { |n| "hana::int_c<#{n}>" }.join(', ') %>
23 constexpr auto result = hana::find_if(set, is_last{});