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Subject: Re: [Boost-users] read_graphviz with a simple graph
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2011-06-23 17:27:51


On Thu, 23 Jun 2011, David Doria wrote:

>> Apparently null_property_map is write-only, so it doesn't have a get()
>> function; I hadn't realized that.  Please try dummy_property_map (from
>> boost/property_map/property_map.hpp) instead, or if that doesn't work,
>> static_property_map or ref_property_map from the same file.
>>
>> -- Jeremiah Willcock
>
> With
>
> dp.property("node_id", boost::dummy_property_map());
>
> I get: "error: invalid use of void expression".
>
> with
>
> dp.property("node_id", boost::static_property_map<Graph::vertex_descriptor>());

Try:

std::string s;
... boost::static_property_map<std::string>(s) ...

-- Jeremiah Willcock


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