ceph/src/boost/libs/parameter/test/literate/optional-parameters0.cpp

   1
   2 #include <boost/parameter.hpp>
   3
   4 namespace boost {
   5
   6     int vertex_index = 0;
   7
   8     template <typename T = int>
   9     struct dfs_visitor
  10     {
  11     };
  12 }
  13
  14 BOOST_PARAMETER_NAME(graph)
  15 BOOST_PARAMETER_NAME(visitor)
  16 BOOST_PARAMETER_NAME(root_vertex)
  17 BOOST_PARAMETER_NAME(index_map)
  18 BOOST_PARAMETER_NAME(in_out(color_map))
  19
  20 BOOST_PARAMETER_FUNCTION((void), f, tag,
  21     (required (graph, *))
  22     (optional
  23         (visitor,     *, boost::dfs_visitor<>())
  24         (root_vertex, *, *vertices(graph).first)
  25         (index_map,   *, get(boost::vertex_index,graph))
  26         (color_map,   *,
  27             default_color_map(num_vertices(graph), index_map)
  28         )
  29     )
  30 )
  31 {
  32 }
  33