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Function template save

save — Function to save posix_time::ptime objects using serialization lib.


// In header: <boost/date_time/posix_time/time_serialize.hpp>

template<typename Archive> 
  void save(Archive & ar, const posix_time::ptime & pt, unsigned int);


ptime objects are broken down into 2 parts for serialization: a date object and a time_duration onject