Re: [boost] [BGL] Multithread problem inserting edges and exploring the same graph

Subject: Re: [boost] [BGL] Multithread problem inserting edges and exploring the same graph
From: Cosimo Calabrese (cosimo.calabrese_at_[hidden])
Date: 2009-10-09 06:12:46

Jeremiah Willcock wrote:

> That only works if both graphs are adjacency_lists and you have control 
> over the graph types.  I would personally just make:
> 
> template <typename T>
> struct from_first_graph {T data;};
> template <typename T>
> struct from_second_graph {T data;};
> 
> and then have my variants be:
> 
> boost::variant<from_first_graph<graph_traits<First>::vertex_descriptor>,
>                from_second_graph<graph_traits<Second>::vertex_descriptor>
>>
> 
> and the same for edge descriptors.  This will disambiguate the types for 
> arbitrary graphs.
> 

It seems a very good idea to me. I'm trying it. I'll tell you about it ASAP.

Thanks again,
Cosimo Calabrese.