Re: Simple boost program throws exception

From: ksaleh2 ksaleh2_at_[hidden])
Date: 2003-01-01 12:21:23

Hi,

On December 7th I've posted this message, which unfortunately didn't 
get any reply. I'm not a professional programmer, so forgive me if it 
is a silly question, but your cooperation will help me understand 
boost better, thank you and happy new year to all.

--- In Boost-Users_at_[hidden], "ksaleh2 <ksaleh2_at_y...>" 
<ksaleh2_at_y...> wrote:
> I'm trying boost for the first time on Codewarrior 8.0 for windows. 
> The Boost version is 1.25.1 from the "Boost Graph Library" 
> accompanying CD. The offensive code is :
> 
> #include <boost/config.hpp>
> #include <iostream>
> 
> #include <boost/graph/adjacency_list.hpp>
> 
> using namespace boost;
> using namespace std;
> 
> 
> int main()
> {
>   	typedef adjacency_list<vecS,vecS,directedS,
>     property < vertex_name_t, char 
>,property<edge_weight_t,double>  
> > Graph;
>     
> 	property_map < Graph, vertex_name_t >::type    name_map ;
> 	property_map < Graph, edge_weight_t >::type    value_map ;
> 
> 	Graph g;
> 
> 	typename graph_traits<Graph>::vertex_descriptor a,b;
> 	
> 	a = add_vertex(g);	name_map[a] = 'a';
> 	b = add_vertex(g);	name_map[b] = 'b';
> 	
> 	typename graph_traits<Graph>::edge_descriptor ed;
> 	bool inserted;
> 	
> 	tie(ed, inserted) = add_edge(a, b, g);	
> 	value_map[ed] = 1.2;
> 
> 
> 	return 0;
> }
> 
> 
> If the second template parameter for class VertexListS is replaced 
> with listS it compiles and run normally.
> 
>  	typedef adjacency_list<vecS,listS,directedS,
>     property < vertex_name_t, char 
>,property<edge_weight_t,double>  
> > Graph;
> 
> Can you please advise why? 
> 
> Best Regards