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From: Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Seeking for papers about tagged types vs access to subprograms
Date: Mon, 13 May 2013 11:57:19 -0700
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Xref: news.eternal-september.org comp.lang.ada:15541
Date: 2013-05-13T11:57:19-07:00
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On 05/13/2013 11:01 AM, J-P. Rosen wrote:
>
> In the old times, when people still knew how to write OSes (VMS...), you
> had various kinds of files that were managed at OS level. A sequential
> file was the logical mapping for a tape, and a direct file for a disc.

Those are implementation details. They should not drive the design of high-level 
abstractions.

-- 
Jeff Carter
"People called Romanes, they go the house?"
Monty Python's Life of Brian
79