[boost] Re: . [serialization] Error handling underdocumented?

From: Robert Ramey (ramey_at_[hidden])
Date: 2004-01-20 11:48:50

Vladimir Prus wrote:

>Consider standard iostream usage

>  string s;
>  while(getline(is, s)) {
>  }

>Here, two cases are possible when getline returns false. First is when eof
>is seen, in which case line is done. Second is when something's really
>wrong with the stream, in which case badbit is set. For serialization

>   some_object obj;
>   while(ia >> obj) {
>   }

>there's possibility that data ended half-way though next object. How can I
>tell if that's the case?

I don't see the difference in the two cases.  After each i/o operations good()
is checked.  If its false, archive::exception::stream_error is thrown.  At
that point the io state is the same can be checked fro badbit, eof or any
thing else.

Robert Ramey