Subject: Re: [Boost-users] Segmentation fault
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-06-20 12:56:18
AMDG
caligulaemperorofrome_at_[hidden] wrote:
> Trying to use bundled properties like so.
>
> typedef std::string Colour;
>
> struct edge_properties
> {
>
> string eName;
> set< Colour > Colours;
> };
>
> Then the following works OUTSIDE the vis object.
>
Maybe a dumb question, but what is the vis object?
> graph_t::edge_descriptor e = *edges(g).first;
>
> g[e].Colours.insert("5ty");
> g[e].Colours.insert("6");
> g[e].Colours.insert("7");
> set<Colour> set(g[e].Colours);
>
> for(std::set<Colour>::iterator
> si = set.begin(); si
> != set.end(); si++)
> std::cout << *si << " ";
>
> But if I try to use edge property.Colours INSIDE the vis object (using maps or not)
> like so.
>
>
> typedef set< string > Set;
> for(colour_iter=Colour.begin(); colour_iter != Colour.end(); ++colour_iter) {
> //Set & set = get(m_eColours_map, e);
> get(m_eColours_map, e).insert( *colour_iter );
>
What is m_eColours_map?
> //set.insert( *colour_iter );
>
> //g[e].Colours;
> //g[e].Colours.insert("Green");
> //g[e].Colours.insert(*colour_iter);
> //g[e].Colours.insert("5");
> //g[e].Colours.end();
> }
>
> It compiles but gives Segmentation fault no matter what I
> try.
>
> Im beginning
> to think that set< string > will not work inside the vis object.
> If thats true I'll have to rewrite a major part of my program, but I hope not.
>
> Using : BOOST_LIB_VERSION "1_36"
>
Could you post a complete compilable example? It's a little
hard to figure out exactly what you're doing.
In Christ,
Steven Watanabe