Re: Mixing OO and DB

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Fri, 15 Feb 2008 13:31:42 -0400
Message-ID: <47b5cc7f$0$4058$9a566e8b_at_news.aliant.net>


Marshall wrote:

> On Feb 14, 8:59 pm, David BL <davi..._at_iinet.net.au> wrote:
>

>>... variables can be read (as
>>well as written), which means it isn't true that a pointer to an
>>ellipse variable is a pointer to a circle variable.

Apparently, David cannot follow written english.

> The problem arises when you have all of:
> 1) mutability
> 2) first-class variables
> 3) subtyping
>
> You can't pin the problem on any one of these; the problem
> is in the combination.

What was the problem again? Received on Fri Feb 15 2008 - 18:31:42 CET

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