Some API comments and questions

[nerochiaro]

> > Just out of curiosity, was there a specific reason for not including
> > in the design an explicit close method aside of the destructor ?
>
> Well, pretty much none of the methods in the class will work anymore after the
> file has been closed.  It doesn't make a lot of logical sense (to me) in C++
> to provide a method saying "I'm done with this class" other than the
> destructor.

Right. You have a point here.
I also reviewed your previous answers with the code in front of me,
and it all makes sense now.

Thanks for all the explanations.