ceph/src/boost/libs/hana/benchmark/transform/compile.fusion.vector.erb.cpp

   1 // Copyright Louis Dionne 2013-2016
   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/as_vector.hpp>
  10 #include <boost/fusion/include/make_vector.hpp>
  11 #include <boost/fusion/include/transform.hpp>
  12 namespace fusion = boost::fusion;
  13
  14
  15 struct f {
  16     template <typename X>
  17     constexpr X operator()(X x) const { return x; }
  18 };
  19
  20 template <int i>
  21 struct x { };
  22
  23 int main() {
  24     auto xs = fusion::make_vector(
  25         <%= (1..input_size).map { |n| "x<#{n}>{}" }.join(', ') %>
  26     );
  27
  28     auto result = fusion::as_vector(fusion::transform(xs, f{}));
  29     (void)result;
  30 }