ceph/src/boost/libs/hana/benchmark/find_if/compile.fusion.list.erb.cpp

   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 <% if input_size > 10 %>
   6     #define FUSION_MAX_LIST_SIZE <%= ((input_size + 9) / 10) * 10 %>
   7 <% end %>
   8
   9 #include <boost/fusion/include/find_if.hpp>
  10 #include <boost/fusion/include/make_list.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_list(
  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 }