Re: [Boost-users] [Variant] Tree like structure with variant

Subject: Re: [Boost-users] [Variant] Tree like structure with variant
From: Bryce Lelbach (admin_at_[hidden])
Date: 2010-10-21 06:19:03

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Might I interest you in some Prana?

http://github.com/brycelelbach/prana


http://thread.gmane.org/gmane.comp.parsers.spirit.general/20853


Not done yet, but it should be in a usable state soon.

On Thu, 21 Oct 2010 10:39:50 +0200
dariomt_at_[hidden] wrote:

> Hi all,
> 
> I need a tree-like structure like the following
> 
> boost::variant< int, std::vector<tree>, std::map<std::string, tree> > tree;
> 
> So, my tree can have an int, or a list of trees, or a map of trees.
> 
> Of course this is not possible, and I've been trying to use
> boost::recursive_wrapper. I have looked at the example in the documentation,
> but and I'm not able to achieve what I want. My feeling is that I'm missing
> an extra 'node' level somewhere, but since all the types I'm using are
> typedefs, I cannot forward delcare it to break the cyclic reference...
> 
> I would appreciate help with this.
> Thanks in advance.



- -- 
Bryce Lelbach aka wash
http://groups.google.com/group/ariel_devel

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