> > Hum, it's maybe not possible to choose between integer and float. Why
> > not supporting both? Example:
> >  - totimestamp()->int: truncate microseconds
> >  - totimestamp(microseconds=True)->float: with microseconds
>
> I would still prefer totimestamp()->(int, int) returning (sec, usec)
> tuple.  The important benefit is that such totimestamp() will not
> loose information

Right, I prefer your solution ;-)