Re: [boost] The perfect tutorial example?

From: Douglas Gregor (doug.gregor_at_[hidden])
Date: 2005-07-08 07:50:52

On Jul 8, 2005, at 1:51 AM, David Abrahams wrote:

>
> I'm trying to come up with an example function to use in the tutorial
> for the parameters library.  The function would ideally:
>
> * have four or fewer parameters, most of which have defaults.
>
> * have at least one defaulted parameter whose type would normally be a
>   deduced function template parameter (when the argument is passed
>   explicitly)
>
> * have a parameter whose default depends on the value of another
>   parameter
>
> * have at least one parameter whose default value is of nontrivial
>   complexity to compute (so I can demonstrate lazy defaults).
>
> * be realistic
>
> Any ideas would be most welcome.

depth_first_search(graph, visitor, color_map, index_map)

visitor has a simple default (dfs_visitor<>())

index_map has a nontrivial default of get(vertex_index, graph)

color_map has a nontrivial default of:
   vector_property_map<color_type, typeof(index_map)>

        Doug