Re: [Boost-users] Error: guid_defined is not templateBOOST_CLASS_EXPORT_GUID

Subject: Re: [Boost-users] Error: guid_defined is not templateBOOST_CLASS_EXPORT_GUID
From: Jari (jaristr_at_[hidden])
Date: 2011-05-10 20:59:44

On Tue, May 10, 2011 at 6:09 PM, Jari <jaristr_at_[hidden]> wrote:
> On Tue, May 10, 2011 at 8:57 AM, Robert Ramey <ramey_at_[hidden]> wrote:
>> Jari wrote:
>>> Hi
>>> I am using boost serialization and it was working fine (save load
>>> works) but then I tried using BOOST_CLASS_EXPORT_GUID and get weird
>>> error.
>>>
>>> The line that gives the error is this:
>>>
>>> BOOST_CLASS_EXPORT_GUID( Bakery, "Bakery")
>>>
>>>
>>> (I put the code in Cpp to avoid any problems with headers.)
>>>
>>>
>>> And this is the full Visual studio express 2010 error:
>>>
>>> 2>E:\boost_1_46_1\boost/archive/detail/check.hpp(162): error C2338:
>>> typex::value
>>
>> ...
>>
>> what does the code look like at line 162 of check.hpp ?
>>
>> Robert Ramey
>
> Here's part of check.hpp where the problem is:
>
> template<class T>
> inline void check_const_loading(){
>    typedef
>        BOOST_DEDUCED_TYPENAME mpl::or_<
>            BOOST_DEDUCED_TYPENAME boost::serialization::is_wrapper< T >,
>            BOOST_DEDUCED_TYPENAME mpl::not_<
>                BOOST_DEDUCED_TYPENAME boost::is_const< T >
>            >
>        >::type typex;
>    // cannot load data into a "const" object unless it's a
>    // wrapper around some other non-const object.
>    BOOST_STATIC_ASSERT(typex::value);         // <-------------
> Compiler points here for the error
> }
>
> } // detail
> } // archive
> } // boost
>
>
>
> I must also say that I got all the code working in small test project
> but this error comes up in my big project.
>

Ok I found the problem. I was simply trying to save class that didnt
have boost serialization cability/functions.