In a project of mine we plan to store some number of objects into an archive 
and later load them. The problem is that the number of objects is not known 
when you're writing an archive, so when reading, you don't know where to 
stop.

I wonder if the following code will work:

   ifstream ifs(...);
   boost::binary_iarchive ia(ifs);

   while(ifs) {
       some_object obj;
       ia > > obj;
       objects.push_back(obj);
   }

The problem is that I don't know what archive will do on stream errors. For 
the above to work, it should stop doing anything. But I can't find any 
documentation about what happens -- I think it's better to discuss and 
document that.

- Volodya







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