Re: [boost] Is there a Boost based solution to thiscircularreference problem

From: Michael Goldshteyn (mgoldshteyn_at_[hidden])
Date: 2005-11-18 09:00:49

"Bruno Martínez" <br1_at_[hidden]> wrote in message 
news:op.s0exlge3551aze_at_yoda...
>On Thu, 17 Nov 2005 12:32:59 -0200, Michael Goldshteyn
><mgoldshteyn_at_[hidden]> wrote:
>>
>> You cannot forward declare a type used as a value for vector.
>
>Yes, I know.  However, not fully using such instantiation, as is the case,
>seems somewhat less wrong.
>
>Another way to solve the problem is using an auxiliar class, vectorAction,
>which is forward declared at the beginning.  It's definition,
>
>class vectorAction {
>     vectorAction(std::vector<Action>& ref) : value(ref) {}
>     std::vector<Action>& value;
>};
>
>is put as the last thing.  All uses of vector<Action>& are then changed
>for vectorAction.  Does this work?

Now we're "cooking with gas." This may be the trick I need to get around it. 
By wrapping a vector of actions in another class, I can just forward declare 
that class and not have dependencies on actions or vectors of actions.

Thanks,

Michael Goldshteyn

P.S. I am still interested in other alternative approaches to this, if 
anybody can come up with one.