Date: Mon, 18 Nov 2002 08:19:28 +0100
From: Matthias Troyer
>> overriding the very general template definiations above for this
>> special case would result in
>>
>> template<class T>
>> inline boost::basic_iarchive & operator>>(boost::basic_iarchive &ar,
>> double & x[]){
>> ar.read_binary(x, sizeof(x));
>> }
>> template<class T>
>> inline boost::basic_oarchive & operator<<(boost::basic_oarchive &ar,
>> const T &t){
>> ar.write_binary(x, sizeof(x));
>> }
>>
>> this skips the whole serialization system and just blasts the data
>> in/out
>No, that is not what I meant. I want to optimize reading/writing of a
>std::vector<double> for SOME types of archives only for which an
>optimized save/load is possible. That is e.g. not for a text or XML
>archive but only for binary archives. In your proposal this could only
>be done by a run time type check, a dynamic_cast to a derived optimized
>class and then calling a member function of that derived class. This is
>much more naturally done through additional virtual function for
>writing arrays of primitive data types.
suppose you had a header:
matias_superfast_binary_archive.hpp
that contained:
#include <boost/serialization/archive.hpp>
template<class T>
inline boost::basic_iarchive & operator>>(boost::basic_iarchive &ar,
double & x[]){
ar.read_binary(x, sizeof(x));
}
template<class T>
inline boost::basic_oarchive & operator<<(boost::basic_oarchive &ar,
const T &t){
ar.write_binary(x, sizeof(x));
}
endof file
wouldn't that do the job? the onlything is that you couldn't include two
different kinds of archives in the same code module.
Robert Ramey
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