[Oberon] Type compatibility in Oberon

[Chris Burrows]

Check with your supplier's compiler documentation to see what range of values are allowed. If it is not specified contact their technical support.

> -----Original Message-----
> From: Joerg [mailto:joerg.straube at iaeth.ch]
> Sent: Friday, 1 May 2020 10:39 PM
> To: chris at cfbsoftware.com; ETH Oberon and related systems
> Subject: Re: [Oberon] Type compatibility in Oberon
> 
> Is using 90909090H an undefined feature?
> What value does it represent?
> 
> br
> J rg
> 
> > Am 01.05.2020 um 14:13 schrieb Chris Burrows <chris at cfbsoftware.com>:
> >
> > ?Not exactly. This amended statement is more accurate:
> >
> > "It is not guaranteed that a program THAT USES UNDEFINED FEATURES
> > compiled with two different implementations of the same report behave
> > in the same way."
> >
> > I find that neither surprising nor anything to be concerned about. I
> > sincerely hope that an Oberon programmer would not assume otherwise.
> >
> > Regards,
> > Chris Burrows
> > CFB Software
> > https://www.astrobe.com
> >
> >> -----Original Message-----
> >> From: Oberon [mailto:oberon-bounces at lists.inf.ethz.ch] On Behalf Of
> >> Andreas Pirklbauer
> >> Sent: Friday, 1 May 2020 6:36 PM
> >> To: Oberon List
> >> Subject: [Oberon] Type compatibility in Oberon
> >>
> >>> Oberon as it is defined in the report leaves some parts needed for
> >> low level programming to the implementation.
> >>
> >> At the heart the problem appears to be two-fold: a) the language
> >> leaves certain things undefined, and b) in order to truly implement
> >> an entire system like the Oberon system, one has to cheat (at least a
> >> little). For example, today it is not guaranteed that a program
> >> compiled with two different implementations of the same report behave
> in the same way.
> >>
> >>
> >>
> >> --
> >> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related
> >> systems https://lists.inf.ethz.ch/mailman/listinfo/oberon
> >
> > --
> > Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related
> > systems https://lists.inf.ethz.ch/mailman/listinfo/oberon