Re: [Boost-users] A question about boost::graph iterators

From: Jeffrey Holle (jeffreyholle_at_[hidden])
Date: 2005-11-03 17:32:01

Douglas Gregor wrote:

> I'd suggest replacing the Edge* with boost::optional<Edge>. You'll  
> get about the same behavior but without the potential problems with  
> taking the address of a temporary.
> 
>      Doug

Thanks for the sugguestion, looks useful and I'll give it a try.
By the way, after you discouraged me from attempting to using a subgraph to 
represent a spanning tree, I discovered filtered_graph.  This is exactly what I 
was looking for.