Re: [Boost-users] BGL - changing internal values of a graph

From: Renato Golin (renato_at_[hidden])
Date: 2008-01-31 08:01:06

Aaron Windsor wrote:
> Hi Renato,
> 
> The sequence of statements:
> 
>         Edge e;
>         e = graph[pred];
>         e.count++;
> 
> copies the Edge structure from graph[pred] to e by value, then makes a
> modification to the copy in e, which is then thrown away when e goes
> out of scope. Instead, try:
> 
>         graph[pred].count++;

Oh my, that obviously worked! Thanks!

It's the kind of silly things that you need someone else to show you... ;)

Thank you!
--renato