Re: [Boost-users] Trouble with templating of adjacency_list

Subject: Re: [Boost-users] Trouble with templating of adjacency_list
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2010-05-07 09:24:55

On Thu, 6 May 2010, Eric Fowler wrote:

> Perhaps this should go to a g++ group but I have a feeling the answer is Out There: 
> Why is g++ having trouble with this? 
> 
> Error is ../main.cpp:19: error: template declaration of ‘boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS, POS<T>,
> boost::no_property, boost::no_property, boost::listS> DG’
> 
> template<typename T = int>
> struct POS
> {
> T x, y;
> };
> 
> template<typename T>
> adjacency_list<vecS, vecS, bidirectionalS, POS<T> > DG;

You are not allowed to have a templated variable declaration.  Did you 
intend to do a template typedef?  Those are C++0x only and have a 
different syntax.

-- Jeremiah Willcock