From: "Randy Brukardt" <randy@rrsoftware.com>
Subject: Re: non record limited type
Date: Thu, 22 Feb 2018 17:24:25 -0600
Date: 2018-02-22T17:24:25-06:00 [thread overview]
Message-ID: <p6njf9$nae$1@franka.jacob-sparre.dk> (raw)
In-Reply-To: p6luqm$jb1$1@gioia.aioe.org
"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message
news:p6luqm$jb1$1@gioia.aioe.org...
> On 22/02/2018 02:29, Randy Brukardt wrote:
>
>> These types that become limited just because of "limited private" also
>> have
>> the nasty property of becoming non-limited when you can see the full
>> declaration. This causes all kinds of semantic complications that we'd
>> rather not repeat, so everything new requires declaring it limited
>> explicitly and staying that way.
>
> I don't see anything wrong with that, except for coupling to by-reference
> semantics. On/off visibility of the copying operation is all OK, it is
> just an operation. Parameter passing method is a different thing.
Not to Ada: by-copy uses the assignment operation (which isn't quite the
same thing as :=). Limited assignment is build-in-place only (for
initialization purposes, another rule I know you hate). Probably could be
different, but it would take extra work, and so far, there doesn't seem to
be much need.
Randy.
next prev parent reply other threads:[~2018-02-22 23:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-21 15:58 non record limited type Mehdi Saada
2018-02-21 21:42 ` Jere
2018-02-21 22:29 ` Mehdi Saada
2018-02-21 23:08 ` Jere
2018-02-21 23:14 ` Jere
2018-02-22 0:09 ` Mehdi Saada
2018-02-22 0:26 ` Mehdi Saada
2018-02-22 2:57 ` Jere
2018-02-22 16:45 ` Jeffrey R. Carter
2018-02-22 17:06 ` Dmitry A. Kazakov
2018-02-22 7:56 ` Simon Wright
2018-02-22 1:20 ` Randy Brukardt
2018-02-22 1:29 ` Randy Brukardt
2018-02-22 8:25 ` Dmitry A. Kazakov
2018-02-22 23:24 ` Randy Brukardt [this message]
2018-02-23 8:58 ` Dmitry A. Kazakov
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