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| From | Janis Papanagnou <janis_papanagnou+ng@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.misc |
| Subject | Re: Algol 68 - array of procedures aligned at index 0 ? |
| Date | 2025-11-02 13:23 +0100 |
| Organization | A noiseless patient Spider |
| Message-ID | <10e7igi$237cs$1@dont-email.me> (permalink) |
| References | (1 earlier) <10e5s1r$19lks$1@dont-email.me> <10e6u0m$1sbrr$1@dont-email.me> <10e7e7e$215c7$1@dont-email.me> <10e7g7g$228hd$1@dont-email.me> <10e7hru$2311a$1@dont-email.me> |
On 02.11.2025 13:12, Janis Papanagnou wrote:
> On 02.11.2025 12:44, bart wrote:
>> On 02/11/2025 11:10, Andy Walker wrote:
>>> On 02/11/2025 06:33, Janis Papanagnou wrote:
>>>> On 01.11.2025 21:54, I wrote:
>>>>> The simplest workaround seems to be to
>>>>> declare "pp" in the way you've declared "p", and then declare
>>>>> "[] PROC BOOL p = pp[@0];".
>>>> I had intended to avoid "spurious" declarations, but to keep the later
>>>> code's logic clearer it might be worth to follow that path.
>>>
>>> A slightly different approach would use a cast:
>>>
>>> [] PROC BOOL p = [] PROC BOOL CASE ... ESAC [@0];
>>>
>>> That avoids the extra declaration, but I'm unconvinced that it's as clear
>>> -- good luck trying to explain how that all works to a class of students!
>>>
>>
>>
>> Is this a general problem when using a (...) constructor, in that the
>> natural bounds start from 1?
>>
>> I couldn't get this to work:
>>
>> [0:3]INT a := (10, 20, 30);
>
> Actually, your result is a variant of the problem I described in my
> post.
>
>> It prefers empty bounds, but those default to 1:. Using [0:] didn't
>> work. Trying that [@0] didn't work either, for example:
>>
>> [0:3]INT a;
>> a := (10, 20, 30) [@0];
>>
>> It seems a weak spot in the language.
>
> To me - and I understood Andy that way as well - it's not clear whether
> it's a restriction in Genie or Algol 68.
>
> Andy presented a workaround; in case of your example something like
>
> [4] INT a := ( 10, 20, 30, 40 );
> [0:3] INT b := a [AT 0];
And this obviously works as well (tested with Genie):
[0:3] INT c := [] INT ( 10, 20, 30, 40 )[AT 0];
>
> Janis
>
>> [...]
>
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Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-01 16:00 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-01 20:54 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-02 07:33 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-02 09:50 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-02 11:10 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-02 11:44 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-02 13:12 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-02 13:23 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-03 00:42 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-03 15:03 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-03 16:40 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-03 17:00 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-03 21:02 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-03 20:34 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-03 22:35 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-03 23:37 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-04 07:16 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-04 11:10 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? David Brown <david.brown@hesbynett.no> - 2025-11-04 16:46 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-04 16:17 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-04 17:26 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? David Brown <david.brown@hesbynett.no> - 2025-11-04 17:49 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-04 18:38 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-04 19:30 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? David Brown <david.brown@hesbynett.no> - 2025-11-04 21:04 +0100
Homebrew languages (was: Algol 68 - array of procedures aligned at index 0 ?) bart <bc@freeuk.com> - 2025-11-06 00:39 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-05 12:52 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-05 14:02 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-04 18:28 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? David Brown <david.brown@hesbynett.no> - 2025-11-04 21:14 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-03 17:32 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-03 20:28 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-03 20:10 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-03 22:31 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-04 12:24 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? David Brown <david.brown@hesbynett.no> - 2025-11-04 17:02 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-05 12:25 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-05 14:12 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-05 14:28 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-06 08:29 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-06 14:18 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-06 15:58 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-07 21:22 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-07 23:13 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-08 03:17 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? antispam@fricas.org (Waldek Hebisch) - 2025-11-08 03:50 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-08 04:47 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-08 12:42 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-08 21:37 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-09 20:34 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-09 21:08 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? antispam@fricas.org (Waldek Hebisch) - 2025-11-09 16:58 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-08 11:34 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? antispam@fricas.org (Waldek Hebisch) - 2025-11-09 17:16 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-09 19:11 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-09 20:58 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? antispam@fricas.org (Waldek Hebisch) - 2025-11-10 13:56 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-10 20:52 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? antispam@fricas.org (Waldek Hebisch) - 2025-11-11 12:53 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-11 20:51 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? David Brown <david.brown@hesbynett.no> - 2025-11-06 17:14 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-06 19:41 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-06 22:01 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-08 12:24 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-07 23:33 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-04 00:35 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-04 07:07 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-04 14:57 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-05 23:59 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-06 01:03 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-06 07:40 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-06 10:59 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-06 16:59 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-06 17:58 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-06 20:14 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-06 22:16 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-06 22:47 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-07 14:34 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-07 15:42 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-07 16:50 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-07 19:49 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-07 20:01 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-08 00:26 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-08 01:54 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-08 14:00 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-08 15:24 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-10 00:11 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-10 00:43 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? David Brown <david.brown@hesbynett.no> - 2025-11-10 09:08 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? antispam@fricas.org (Waldek Hebisch) - 2025-11-10 13:28 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? ram@zedat.fu-berlin.de (Stefan Ram) - 2025-11-10 10:11 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-10 11:02 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-10 15:00 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? antispam@fricas.org (Waldek Hebisch) - 2025-11-10 15:52 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-10 17:05 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-10 10:10 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? Andy Walker <anw@cuboid.co.uk> - 2025-11-10 15:48 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-07 17:59 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-07 18:39 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-12 11:01 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-12 20:47 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-12 22:22 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-12 23:28 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-13 01:31 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-11-13 09:35 +0100
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-13 11:37 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-04 01:05 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? bart <bc@freeuk.com> - 2025-11-04 01:24 +0000
Re: Algol 68 - array of procedures aligned at index 0 ? Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-04 02:28 +0000
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