Re: [Boost-users] boost::variant compile error

Subject: Re: [Boost-users] boost::variant compile error
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2012-11-09 10:42:56

AMDG

On 11/08/2012 11:44 PM, Georg.Kellerer_at_[hidden] wrote:
> i'd like to build a heterogenous container based on the boost::variant datastructure. My code looks like this: 
> // forward-Deklarationen:
> class fExport FB_Ordered;
> class fExport FB_Dictionary;
> 
> // Typedefs
> typedef boost::variant<int, std::string> keydicttype;
> typedef boost::variant<
> 	int, std::string, date, ptime, 
> 	boost::recursive_wrapper<FB_Dictionary>,
> 	boost::recursive_wrapper<FB_Ordered>> valuedicttype;
> typedef boost::container::map<keydicttype, valuedicttype> basedict;
> 
> C:\dev\boost_1_52_0\boost/checked_delete.hpp(32) : error C2027: use of undefined Type "FB_Ordered"
> 
> what i want to do is to create a container fb_dictionary which can hold datatypes that are listed in the valuedicttype and which can accept keyvalues of int and string (see above). fb_ordered is another container defined in a diferent header file so i need the forward declarations. Could anybody please give me a hint in the right direction?  I am using vs2008.
> 

FP_Ordered has to be complete at the point where
the destructor of variant is instantiated.  The
same thing goes for FB_Dictionary.

In Christ,
Steven Watanabe