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From: Doug Gregor (dgregor_at_[hidden])
Date: 2006-02-27 16:08:13


On Feb 27, 2006, at 2:33 PM, David E. Konerding wrote:
> Here's what I see:
> new v1= <boost.graph._graph.Vertex object at 0x40168a04>
> new v2= <boost.graph._graph.Vertex object at 0x40168aac>
> new edge= <boost.graph._graph.Edge object at 0x40164dec>
> vertex: <boost.graph._graph.Vertex object at 0x40168ae4>
> vertex: <boost.graph._graph.Vertex object at 0x40168b54>
> edge: <boost.graph._graph.Edge object at 0x40164d6c>
> edge source: <boost.graph._graph.Vertex object at 0x40168ae4>
>
> As you can see, v1 and v2 return and have different addresses than the
> Vertex objects that are listed by the vertices
> iterator. My guess here is that the Vertex objects do point to the
> same
> underlying vertex in the C++ implementation
> of the graph.

Your guess is correct. We don't cache the Python objects corresponding
to vertex and edge descriptors.

        Doug


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