Re: [Boost-users] problem of getting vertex_index_t property with BGL

Subject: Re: [Boost-users] problem of getting vertex_index_t property with BGL
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2015-07-23 10:06:03

>________________________________
> From: breadbread1984 <breadbread1984_at_[hidden]>
>To: boost-users_at_[hidden] 
>Sent: Thursday, July 23, 2015 4:25 AM
>Subject: [Boost-users] problem of getting vertex_index_t property with BGL
> 
>
>I am using boost graph library. I found there is a built in property vertex_index_t corresponding to every vertex from the document [here](http://www.boost.org/doc/libs/1_58_0/libs/graph/doc/adjacency_list.html). But when I get the vertex_index_t property the compiler prompt the following error:
>
>CooperativeGraph.h:59:36:   required from here
>/usr/include/boost/graph/detail/adjacency_list.hpp:2498:29: error: forming reference to void
>         typedef value_type& reference;
>                             ^
>/usr/include/boost/graph/detail/adjacency_list.hpp:2499:35: error: forming reference to void
>         typedef const value_type& const_reference;
>                                   ^
>/usr/include/boost/graph/detail/adjacency_list.hpp:2502:47: error: forming reference to void
>           <Graph, value_type, reference, Tag> type;
>                                               ^
>/usr/include/boost/graph/detail/adjacency_list.hpp:2504:53: error: forming reference to void
>           <Graph, value_type, const_reference, Tag> const_type;
>                                                     ^
>CooperativeGraph.cpp: In member function ‘void CooperativeGraph::getProperties()’:
>CooperativeGraph.cpp:384:35: error: no matching function for call to ‘get(boost::vertex_index_t, Graph&)’
>  vertex_index = get(vertex_index,g);
>                                   ^
>I defined the data structure as follows
>
>typedef property<vertex_BatteryLevel_t,int,
>    property<vertex_ObservationHistory_t,deque<Observation>,
>        property<vertex_name_t,uuid>
>    > 
>> vertex_state;
>typedef property<edge_QFunction_t,QTable,
>    property<edge_Eligibility_t,Eligibility>
>> edge_qfunction;
>typedef adjacency_list<
>    vecS,setS,directedS,
>    vertex_state,
>    edge_qfunction 
>> Graph;
>
>Does anyone know what I am doing wrong? Why can't I get the vertex_index_t property. Thanks!

Your graph type has setS as its vertex container.  Try using vecS instead to get the vertex_index property to be present.

-- Jeremiah Willcock