ceph/src/boost/libs/fusion/test/sequence/repetitive_view.cpp

   1 /*=============================================================================
   2     Copyright (c) 2007 Tobias Schwinger
   3
   4     Use modification and distribution are subject to the Boost Software
   5     License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6     http://www.boost.org/LICENSE_1_0.txt).
   7 ==============================================================================*/
   8
   9 #include <boost/detail/lightweight_test.hpp>
  10 #include <boost/fusion/view/repetitive_view.hpp>
  11
  12 #include <boost/fusion/container/vector.hpp>
  13 #include <boost/fusion/view/joint_view.hpp>
  14 #include <boost/fusion/algorithm/transformation/zip.hpp>
  15 #include <boost/fusion/algorithm/iteration/for_each.hpp>
  16
  17 #include <boost/type_traits/is_same.hpp>
  18
  19 #include <boost/fusion/sequence/intrinsic/begin.hpp>
  20 #include <boost/fusion/iterator/next.hpp>
  21
  22 #include <boost/fusion/functional/generation/make_fused_procedure.hpp>
  23
  24 struct check_equal
  25 {
  26     template<typename LHS, typename RHS>
  27     void operator()(LHS const& lhs, RHS const& rhs) const
  28     {
  29         BOOST_TEST(( boost::is_same<LHS,RHS>::value ));
  30         BOOST_TEST(( lhs == rhs ));
  31     }
  32 };
  33
  34 int main()
  35 {
  36     using namespace boost::fusion;
  37
  38     typedef boost::fusion::vector<int,long,float,double> seq_t;
  39     seq_t seq(1,2l,3.0f,4.0);
  40
  41     typedef repetitive_view<seq_t> view_t;
  42     view_t view(seq);
  43
  44     typedef joint_view<seq_t,seq_t> seq_twice_t;
  45     typedef joint_view<seq_t,seq_twice_t> seq_repeated_t;
  46     seq_twice_t seq_twice(seq,seq);
  47     seq_repeated_t seq_repeated(seq,seq_twice);
  48
  49     for_each(zip(view,seq_repeated), make_fused_procedure(check_equal()));
  50
  51     return boost::report_errors();
  52 }
  53