1 files changed, 45 insertions, 0 deletions
diff --git a/src/boost/libs/parameter/test/literate/writing-the-function0.cpp b/src/boost/libs/parameter/test/literate/writing-the-function0.cpp
new file mode 100644
index 000000000..6a05ea260
--- /dev/null
+++ b/src/boost/libs/parameter/test/literate/writing-the-function0.cpp
@@ -0,0 +1,45 @@
+
+#include <boost/parameter/name.hpp>
+
+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))
+
+namespace boost {
+
+    template <typename T = int>
+    struct dfs_visitor
+    {
+    };
+
+    int vertex_index = 0;
+}
+
+#include <boost/parameter/preprocessor.hpp>
+
+namespace graphs {
+
+    BOOST_PARAMETER_FUNCTION(
+        (void),                // 1. parenthesized return type
+        depth_first_search,    // 2. name of the function template
+
+        tag,                   // 3. namespace of tag types
+
+        (required (graph, *) ) // 4. one required parameter, and
+
+        (optional              //    four optional parameters, with defaults
+            (visitor,           *, boost::dfs_visitor<>())
+            (root_vertex,       *, *vertices(graph).first)
+            (index_map,         *, get(boost::vertex_index,graph))
+            (in_out(color_map), *,
+                default_color_map(num_vertices(graph), index_map)
+            )
+        )
+    )
+    {
+        // ... body of function goes here...
+        // use graph, visitor, index_map, and color_map
+    }
+}