>Update:

>I found a template named "boost::msm::back::is_composite_state" which can be used to select a visitor type based on whether there are

>child states or not. With this useful metafunction, it was quite easy to make a recursive function that iterates over all states. So unless

>there are some major drawbacks with this method there is no need for any more specific examples.

>Best regards,

>Tommy

Hi,

thinking about it again, I think your method not only works but also is less hassle that what I had in mind.

Good idea!

Christophe