Re: [Boost-users] Problems going from Serialization 1.32 to 1.33

From: Robert Ramey (ramey_at_[hidden])
Date: 2005-09-16 20:09:48

Check out the Rationale section in the manual for an explanation of this new 
behavior

Robert Ramey

Stefan Arentz wrote:
> Hello fellow Boost users,
>
> Consider the following program:
>
> #include <sstream>
> #include <string>
> #include <vector>
>
> #include <boost/archive/text_oarchive.hpp>
> #include <boost/serialization/base_object.hpp>
> #include <boost/serialization/string.hpp>
> #include <boost/serialization/vector.hpp>
>
> template <typename T>
> std::string archive(T thing)

change the above to

std::string archive(const T & thing) // you don't want to copy or change 
"thing" do you?

> {
>    std::ostringstream oss;
>    boost::archive::text_oarchive oa(oss);
>    oa << thing;
>    return oss.str();
> }
>
> typedef std::vector< std::string > parameters_t;
>
> int main()
> {
>    parameters_t parameters;
>    parameters.push_back("a");
>    parameters.push_back("b");
>
>    std::string s = archive<parameters_t>(parameters);
>
>    return 0;
> }
>
> When I compile this with Boost 1.32 it compiles and works fine.
>
> However, with Boost.1.33 it fails with:
>
> /usr/local/include/boost/archive/detail/oserializer.hpp: In function
> `void
>    boost::archive::save(Archive&, T&) [with Archive =
>    boost::archive::text_oarchive, T = std::vector<std::string,
>    std::allocator<std::string> >]':
> /usr/local/include/boost/archive/basic_text_oarchive.hpp:78:
> instantiated from `void
> boost::archive::basic_text_oarchive<Archive>::save_override(T&, int)
> [with T = std::vector<std::string, std::allocator<std::string> >,
> Archive = boost::archive::text_oarchive]'
> /usr/local/include/boost/archive/detail/interface_oarchive.hpp:85:
> instantiated from `Archive&
> boost::archive::detail::interface_oarchive<Archive>::operator<<(T&)
> [with T = parameters_t, Archive = boost::archive::text_oarchive]'
> test.cpp:16:   instantiated from `std::string archive(T) [with T =
> parameters_t]'
> test.cpp:28:   instantiated from here
> /usr/local/include/boost/archive/detail/oserializer.hpp:566: error:
> incomplete
>    type `boost::STATIC_ASSERTION_FAILURE<false>' does not have
> member `value'
>
> I'm not sure what to change. Is this correct behaviour?
>
>  S.