Point Cloud Library (PCL)  1.9.1-dev
for_each_type.h
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39 
40 #pragma once
41 
42 #ifdef __GNUC__
43 #pragma GCC system_header
44 #endif
45 
46 #ifndef Q_MOC_RUN
47 #include <boost/mpl/is_sequence.hpp>
48 #include <boost/mpl/begin_end.hpp>
49 #include <boost/mpl/next_prior.hpp>
50 #include <boost/mpl/deref.hpp>
51 #include <boost/mpl/assert.hpp>
52 #include <boost/mpl/remove_if.hpp>
53 #include <boost/mpl/contains.hpp>
54 #include <boost/mpl/not.hpp>
55 #include <boost/mpl/aux_/unwrap.hpp>
56 #endif
57 
58 #include <type_traits>
59 
60 namespace pcl
61 {
62  //////////////////////////////////////////////////////////////////////////////////////////////
63  template <bool done = true>
65  {
66  template<typename Iterator, typename LastIterator, typename F>
67  static void execute (F) {}
68  };
69 
70  //////////////////////////////////////////////////////////////////////////////////////////////
71  template <>
72  struct for_each_type_impl<false>
73  {
74  template<typename Iterator, typename LastIterator, typename F>
75  static void execute (F f)
76  {
77  using arg = typename boost::mpl::deref<Iterator>::type;
78 
79 #if (defined _WIN32 && defined _MSC_VER)
80  boost::mpl::aux::unwrap (f, 0).operator()<arg> ();
81 #else
82  boost::mpl::aux::unwrap (f, 0).template operator()<arg> ();
83 #endif
84 
85  using iter = typename boost::mpl::next<Iterator>::type;
87  ::template execute<iter, LastIterator, F> (f);
88  }
89  };
90 
91  //////////////////////////////////////////////////////////////////////////////////////////////
92  template<typename Sequence, typename F> inline void
94  {
95  BOOST_MPL_ASSERT (( boost::mpl::is_sequence<Sequence> ));
96  using first = typename boost::mpl::begin<Sequence>::type;
97  using last = typename boost::mpl::end<Sequence>::type;
98  for_each_type_impl<std::is_same<first, last>::value>::template execute<first, last, F> (f);
99  }
100 
101  //////////////////////////////////////////////////////////////////////////////////////////////
102  template <typename Sequence1, typename Sequence2>
103  struct intersect
104  {
105  using type = typename boost::mpl::remove_if<Sequence1, boost::mpl::not_<boost::mpl::contains<Sequence2, boost::mpl::_1> > >::type;
106  };
107 }
static void execute(F)
Definition: for_each_type.h:67
typename boost::mpl::remove_if< Sequence1, boost::mpl::not_< boost::mpl::contains< Sequence2, boost::mpl::_1 > > >::type type
This file defines compatibility wrappers for low level I/O functions.
Definition: convolution.h:45
void for_each_type(F f)
Definition: for_each_type.h:93