1 files changed, 33 insertions, 0 deletions
diff --git a/src/boost/libs/parameter/test/literate/optional-parameters0.cpp b/src/boost/libs/parameter/test/literate/optional-parameters0.cpp
new file mode 100644
index 000000000..fb6bc9396
--- /dev/null
+++ b/src/boost/libs/parameter/test/literate/optional-parameters0.cpp
@@ -0,0 +1,33 @@
+
+#include <boost/parameter.hpp>
+
+namespace boost {
+
+    int vertex_index = 0;
+
+    template <typename T = int>
+    struct dfs_visitor
+    {
+    };
+}
+
+BOOST_PARAMETER_NAME(graph)
+BOOST_PARAMETER_NAME(visitor)
+BOOST_PARAMETER_NAME(root_vertex)
+BOOST_PARAMETER_NAME(index_map)
+BOOST_PARAMETER_NAME(in_out(color_map))
+
+BOOST_PARAMETER_FUNCTION((void), f, tag,
+    (required (graph, *))
+    (optional
+        (visitor,     *, boost::dfs_visitor<>())
+        (root_vertex, *, *vertices(graph).first)
+        (index_map,   *, get(boost::vertex_index,graph))
+        (color_map,   *,
+            default_color_map(num_vertices(graph), index_map)
+        )
+    )
+)
+{
+}
+