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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Seeking for papers about tagged types vs access to subprograms
Date: Tue, 14 May 2013 09:26:40 +0200
Organization: cbb software GmbH
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Date: 2013-05-14T09:26:40+02:00
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On Mon, 13 May 2013 22:38:43 +0200, J-P. Rosen wrote:

> Le 13/05/2013 21:13, Robert A Duff a écrit :
>> I haven't used VMS in years, but I recall Record Management Services
>> being a nightmare!  Far more complexity than could possibly be worth
>> the functionality provided.
>> 
> Maybe you used it from C... I remember VMS had to invent new access
> methods specifically for C, because the VMS view of a file was too high
> level for C.
> 
>> Text_IO ought to provide simple streams-of-characters abstractions,
>> and what it looks like on the disk, or what it looks like to the
>> OS should be hidden at that level.
> Sorry, but I see a stream of characters as a lower level abstraction
> than an organised sequence of pages, lines, and individual characters
> (not that I am especially fan of pages)

Exactly.

IMO, RSX and VMS were precursors of type-safe (one could say an OO) file
system which never came to life.

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