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From: Simon Wright <simon@pushface.org>
Subject: Re: Creating several types from a base type and conversion
Date: Sat, 18 Jan 2020 20:34:10 +0000
Date: 2020-01-18T20:34:10+00:00	[thread overview]
Message-ID: <lyftgcy059.fsf@pushface.org> (raw)
In-Reply-To: qvvj0g$53d$1@dont-email.me

"Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org> writes:

> On 1/18/20 7:20 PM, Bill Findlay wrote:

>> type word is mod 2**30;
>>
>> subtype word_shift_length is Natural range 0..30;
>>
>> function shift_word_left (W : word; amount : word_shift_length)
>> return KDF9.word;

> I don't know what KDF9.Word is, but surely you have to implement
> these. Or are you saying GNAT magically implements them?

It doesn't; 'with Import, convention => Intrinsic' requires the first
argument to have size 8, 16, 32, or 64, and the second argument must be
Natural (not a subtype of it, even if unconstrained).

  reply	other threads:[~2020-01-18 20:34 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-18  7:32 Creating several types from a base type and conversion Ken Roberts
2020-01-18 12:16 ` Simon Wright
2020-01-18 12:49   ` Ken Roberts
2020-01-18 14:56     ` Bill Findlay
2020-01-18 16:13       ` Jeffrey R. Carter
2020-01-18 18:20         ` Bill Findlay
2020-01-18 18:32           ` Jeffrey R. Carter
2020-01-18 20:34             ` Simon Wright [this message]
2020-01-20 16:38               ` Bill Findlay
2020-01-18 22:20       ` Ken Roberts
2020-01-18 15:09     ` Simon Wright
2020-01-18 22:16       ` Ken Roberts
2020-01-18 22:35         ` Simon Wright
2020-01-18 23:03           ` Ken Roberts
2020-01-18 23:38             ` Simon Wright
2020-01-19  0:12               ` Ken Roberts
2020-01-19  9:37                 ` Simon Wright
2020-01-19 11:48                   ` AdaMagica
2020-01-19 14:51                     ` Simon Wright
2020-01-19 15:24                       ` Niklas Holsti
2020-01-19 16:11                     ` Optikos
2020-01-19  0:33               ` Ken Roberts
2020-01-19  0:07         ` Niklas Holsti
2020-01-18 15:47     ` Simon Wright
2020-01-21 21:35     ` Shark8
2020-01-21 23:06       ` Niklas Holsti
2020-01-22  1:08         ` Ken Roberts
2020-01-22 14:18           ` Ken Roberts
2020-01-22  8:37       ` Simon Wright
2020-01-22 14:32         ` Shark8
2020-01-22 15:40           ` Simon Wright
2020-01-18 14:17   ` Optikos
2020-01-18 17:57 ` Niklas Holsti
2020-01-18 22:59   ` Ken Roberts
2020-01-19  0:30     ` Niklas Holsti
2020-01-19  1:07       ` Ken Roberts
2020-01-19  3:37 ` Ken Roberts
2020-01-23 21:39 ` Optikos
2020-01-24  9:35   ` Ken Roberts
2020-01-24 10:04     ` AdaMagica
2020-01-24 12:38     ` Optikos
2020-01-24 15:01       ` Ken Roberts
2020-01-24 15:22         ` Simon Wright
2020-01-24 15:40           ` Ken Roberts
2020-01-24 15:54   ` Simon Wright
2020-01-25 10:37 ` Ken Roberts
2020-01-25 10:44   ` Ken Roberts
2020-01-25 20:26   ` Shark8
2020-01-27 14:10 ` Ken Roberts
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