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From: | Vincent Manis |
Subject: | Re: argument against using '() for null values? ([Chicken-users] DBI) |
Date: | Wed, 27 Feb 2008 17:28:15 -0800 |
On 2008 Feb 27, at 17:20, Graham Fawcett wrote:
The point is that any Scheme that can define records can define (void), so there's nothing non-standard about it.
Indeed, just as there's nothing non-standard about creating a new sql-null-object type. I would argue that most people would think of void as meaning not `unspecified' but `no value'. So a list whose car is not a value seems like an odd thing. So I am now officially endorsing the sql-null-object type as my choice. -- v
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