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b32b8144 | 1 | // Copyright Louis Dionne 2013-2017 |
7c673cae FG |
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 | <% if input_size > 10 %> | |
6 | #define FUSION_MAX_VECTOR_SIZE <%= ((input_size + 9) / 10) * 10 %> | |
7 | <% end %> | |
8 | ||
9 | #include <boost/fusion/include/find_if.hpp> | |
10 | #include <boost/fusion/include/make_vector.hpp> | |
11 | #include <boost/mpl/integral_c.hpp> | |
12 | namespace fusion = boost::fusion; | |
13 | namespace mpl = boost::mpl; | |
14 | ||
15 | ||
16 | struct is_last { | |
17 | template <typename N> | |
18 | struct apply | |
19 | : mpl::integral_c<bool, N::type::value == <%= input_size %>> | |
20 | { }; | |
21 | }; | |
22 | ||
23 | int main() { | |
24 | auto ints = fusion::make_vector( | |
25 | <%= (1..input_size).map { |n| "mpl::integral_c<int, #{n}>{}" }.join(', ') %> | |
26 | ); | |
27 | ||
28 | auto result = fusion::find_if<is_last>(ints); | |
29 | (void)result; | |
30 | } |