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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: What is wrong with Ada?
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Date: Tue, 17 Apr 2007 11:27:04 +0200
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Date: 2007-04-17T11:27:05+02:00
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On Tue, 17 Apr 2007 09:58:26 +0200, Georg Bauhaus wrote:

> On Mon, 2007-04-16 at 11:04 +0200, Markus E Leypold wrote:
>> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:
> 
>>> I called it trivial because a valid program processing an infinite input
>>> would not require *all* the input to finish. 
> 
>> According to your definition all real programs on real
>> machines are "trivial".

Yes, provided they are correct.

(Incorrect programs can be very non-trivial, as everybody having once
debugged a program knows... (:-))

> Wouldn't that depend on what "processing" means? Dmitry,
> is your program a reactive system (reaching one of its "final"
> states when a certain subsequence of input has been read,
> reported, and forgotten? Like sensor data, or quadruples of 7
> in the decimal expansion of �)?

Sort of. That the input could be forgotten for future processing is a
"triviality" condition of processing, program, input language, whatever.

(Under certain conditions "processing", "program", "language" are all
equivalent.)

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de