From: Shark8 <OneWingedShark@gmail.com>
Subject: Re: OT: A bit of Sudoku
Date: Fri, 13 Jun 2014 09:47:51 -0600
Date: 2014-06-13T09:47:51-06:00 [thread overview]
Message-ID: <F2Fmv.1118863$RX7.1069586@fx24.iad> (raw)
In-Reply-To: <3ar2JRBR4smTFwAN@ada-augusta.demon.co.uk>
On 13-Jun-14 04:10, Mike H wrote:
> In message <ourmv.598292$hv6.317046@fx17.iad>, Shark8
> <OneWingedShark@gmail.com> writes
>>
>> -- Definition of "=" returns true when both sides are NULL,
>> -- returns false when only one side is NULL, and behaves as
>> -- normal string-equality when neither side is NULL.
> Is this an example where Dmitry's three state logical (True, Uncertain,
> False) might be useful?
> See <http://www.dmitry-kazakov.de/ada/intervals.htm>
>
No, not really.
You want "=" to behave like "=" on strings, but extended to handle the
NULL-cases, and that means a standard boolean result.
next prev parent reply other threads:[~2014-06-13 15:47 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 17:49 OT: A bit of Sudoku Mike H
2014-06-05 18:30 ` Adam Beneschan
2014-06-05 19:00 ` J-P. Rosen
2014-06-05 19:18 ` Jeffrey Carter
2014-06-05 19:43 ` J-P. Rosen
2014-06-05 20:05 ` Mike H
2014-06-05 23:12 ` Robert A Duff
2014-06-05 23:39 ` Adam Beneschan
2014-06-06 7:51 ` Dmitry A. Kazakov
2014-06-06 9:21 ` Georg Bauhaus
2014-06-06 13:38 ` Dmitry A. Kazakov
2014-06-06 15:47 ` Adam Beneschan
2014-06-06 17:09 ` Dmitry A. Kazakov
2014-06-07 6:03 ` J-P. Rosen
2014-06-06 14:13 ` Brad Moore
2014-06-13 0:21 ` Shark8
2014-06-13 6:30 ` J-P. Rosen
2014-06-13 10:10 ` Mike H
2014-06-13 12:37 ` Dmitry A. Kazakov
2014-06-13 15:47 ` Shark8 [this message]
2014-06-05 20:03 ` Mike H
2014-06-05 20:40 ` Adam Beneschan
2014-06-06 9:10 ` Stefan.Lucks
2014-06-06 10:59 ` Mike H
2014-06-06 16:06 ` Adam Beneschan
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