From: Hyman Rosen <hymie@prolifics.com>
Subject: Re: Announce: OpenToken 2.0 released
Date: 2000/02/02
Date: 2000-02-02T18:14:50+00:00 [thread overview]
Message-ID: <t7wvon31zu.fsf@calumny.jyacc.com> (raw)
In-Reply-To: Pine.BSF.4.21.0002011403400.9470-100000@shell5.ba.best.com
Brian Rogoff <bpr@shell5.ba.best.com> writes:
> True, though the high falutin thing is more general and much less prone to
> error since it expresses the intent clearly. Its also easily expressible
> in C++ (your favorite language?) and other languages which have some form
> of parametric polymorphism and variant types. I suppose you can do it in
> Eiffel too but faking variants (tagged unions) with classes is an extra
> level of ugliness IMO.
Yup (C++). I've seen it referred to as "Fallible<T>". I've also seen
an amusing variant which forces you to test error return codes from
functions. The function returns a "MustRead<T>" object, which will
throw an exception if it is destructed before the value it holds is
extracted.
next prev parent reply other threads:[~2000-02-02 0:00 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-01-27 0:00 Announce: OpenToken 2.0 released Ted Dennison
2000-01-28 0:00 ` Jürgen Pfeifer
2000-01-28 0:00 ` Ted Dennison
2000-01-31 0:00 ` Hyman Rosen
2000-02-01 0:00 ` Ted Dennison
2000-02-01 0:00 ` Hyman Rosen
2000-02-01 0:00 ` David Starner
2000-02-01 0:00 ` Brian Rogoff
2000-02-01 0:00 ` Hyman Rosen
2000-02-01 0:00 ` Brian Rogoff
2000-02-02 0:00 ` Hyman Rosen [this message]
2000-02-02 0:00 ` Jeff Carter
2000-02-02 0:00 ` Vladimir Olensky
2000-02-01 0:00 ` Hyman Rosen
2000-02-02 0:00 ` Ted Dennison
2000-02-04 0:00 ` Ted Dennison
2000-02-05 0:00 ` Ehud Lamm
2000-02-04 0:00 ` Florian Weimer
2000-02-07 0:00 ` Hyman Rosen
2000-02-07 0:00 ` Florian Weimer
2000-02-07 0:00 ` Hyman Rosen
2000-02-09 0:00 ` Robert A Duff
2000-02-09 0:00 ` Hyman Rosen
2000-02-09 0:00 ` Larry Kilgallen
2000-02-17 0:00 ` Robert A Duff
2000-02-17 0:00 ` Hyman Rosen
2000-02-17 0:00 ` Hyman Rosen
2000-02-17 0:00 ` Robert A Duff
2000-02-17 0:00 ` Hyman Rosen
2000-02-17 0:00 ` Robert A Duff
[not found] ` <88iuk2$s6d3@ftp.kvaerner.com>
2000-03-05 0:00 ` [OT] C and in-band signalling (was: Re: Announce: OpenToken 2.0 released) Florian Weimer
2000-03-06 0:00 ` Tarjei T. Jensen
2000-03-06 0:00 ` Keith Thompson
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