Hi Bj�rn, On Thu, 25 Jul 2002, [iso-8859-1] Bj�rn Lindberg wrote: yg-boo> yg-boo> I just created a Sourceforge account, username "blindberg". What yg-boo> is the sandbox? It is the sourceforge CVS repository that we use for collaborating on new (hopeful) boost libraries. http://sourceforge.net/projects/boost-sandbox/ yg-boo> yg-boo> I guess you're right here. Have you checked it in yet? I ask yg-boo> because I found a "bug" in the algorithm in that it might work yg-boo> differently from what one would expect. They it was originally yg-boo> written, it visited edges /after/ visiting the corresponding yg-boo> target node. This worked fine for myfrist purpose; to write out a yg-boo> tree with edge weights. However, apart from being named on_edge, yg-boo> which is a bit counter-intuitive, there is often a reason to want yg-boo> to visit an edge /before/ the target node. I decided to make both yg-boo> possible, so that a TreeGraphVisitor now has to implement both yg-boo> on_edge (before) as well as postedge (after). I've already checked in the code, so why don't you check it out and update it in CVS. That way I don't get in the way :) Cheers, Jeremy ---------------------------------------------------------------------- Jeremy Siek http://php.indiana.edu/~jsiek/ Ph.D. Student, Indiana Univ. B'ton email: jsiek@osl.iu.edu C++ Booster (http://www.boost.org) office phone: (812) 855-3608 ----------------------------------------------------------------------