From: Niklas Holsti <niklas.holsti@tidorum.invalid>
Subject: Re: Generic Embedded List Nodes
Date: Thu, 23 Jun 2016 18:36:21 +0300
Date: 2016-06-23T18:36:21+03:00 [thread overview]
Message-ID: <dt2dvnFdi0mU1@mid.individual.net> (raw)
In-Reply-To: <581cb97c-9d81-4a81-9a05-eed0516ce287@googlegroups.com>
On 16-06-23 15:37 , Warren wrote:
> On Thursday, 23 June 2016 04:19:35 UTC-4, Niklas Holsti wrote:
>> On 16-06-23 05:12 , Warren wrote:
>>> On Tuesday, 21 June 2016 17:38:36 UTC-4, Niklas Holsti wrote:
>>> ...
>>>> type Emb_Node_T is tagged;
>>>>
>>>> type Emb_Node_Ref_T is access all Emb_Node_T'Class;
>>>>
>>>> type Emb_Node_T is tagged record
>>>> Prev, Next : Emb_Node_Ref_T;
>>>> -- Prev and Next are null if the node is not in any list.
>>>> -- When the node is first in a list, Prev points to the list head.
>>>> -- When the node is last in a list, Next is null.
>>>> end record;
>>>>
>>>> subtype List_T is Emb_Node_T;
>>>> -- A list head.
>>>> -- Next points to the first node in the list.
>>>> -- Prev is null.
>>> ...
>>>
>>> The insertion, traversal and deletes are generally no problem. The problem
>>> occurs when traversing to access the object.
>>
>> Indeed I left out an example of traversal, sorry.
>
> No problem. The other issue is that I need to support at least
> two lists. It gets rather messy when extending the object for
> each additional list, IMO.
My example had two embedded list nodes in the object, so the object
could be a member of two lists. You can define as many nodes as you
like, in the same record type, at the same time.
--
Niklas Holsti
Tidorum Ltd
niklas holsti tidorum fi
. @ .
next prev parent reply other threads:[~2016-06-23 15:36 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-18 22:52 Generic Embedded List Nodes Warren
2016-06-18 23:40 ` Jeffrey R. Carter
2016-06-19 2:15 ` Warren
2016-06-19 3:04 ` Jeffrey R. Carter
2016-06-19 2:14 ` Jeremiah
2016-06-19 2:21 ` Warren
2016-06-19 2:50 ` Warren
2016-06-19 4:45 ` Simon Wright
2016-06-19 18:27 ` Warren
2016-06-19 19:04 ` Dmitry A. Kazakov
2016-06-19 20:13 ` Warren
2016-06-19 20:35 ` Dmitry A. Kazakov
2016-06-20 2:42 ` Warren
2016-06-20 7:25 ` Dmitry A. Kazakov
2016-06-20 12:26 ` Warren
2016-06-20 19:33 ` Niklas Holsti
2016-06-21 2:20 ` Warren
2016-06-21 5:52 ` Niklas Holsti
2016-06-21 7:15 ` Dmitry A. Kazakov
2016-06-21 18:54 ` Niklas Holsti
2016-06-21 19:54 ` Dmitry A. Kazakov
2016-06-21 10:31 ` Warren
2016-06-21 17:13 ` Jeffrey R. Carter
2016-06-21 18:56 ` Niklas Holsti
2016-06-21 20:13 ` Warren
2016-06-21 21:38 ` Niklas Holsti
2016-06-23 2:12 ` Warren
2016-06-23 8:19 ` Niklas Holsti
2016-06-23 12:37 ` Warren
2016-06-23 15:36 ` Niklas Holsti [this message]
2016-06-24 1:55 ` Warren
2016-06-24 12:49 ` Warren
2016-06-25 5:50 ` Niklas Holsti
2016-06-26 1:36 ` Warren
2016-07-01 13:49 ` Warren
2016-07-01 16:28 ` Warren
2016-06-24 20:25 ` Warren
2016-06-22 13:01 ` G.B.
2016-06-23 2:30 ` Warren
2016-06-20 6:08 ` Niklas Holsti
2016-06-20 12:20 ` Warren
2016-06-20 19:47 ` Shark8
2016-06-21 2:28 ` Warren
2016-06-21 7:21 ` Dmitry A. Kazakov
2016-06-21 10:32 ` Warren
2016-06-21 11:56 ` Dmitry A. Kazakov
2016-06-21 13:39 ` Warren
2016-06-21 14:04 ` Dmitry A. Kazakov
2016-06-23 0:37 ` Randy Brukardt
2016-06-23 2:25 ` Warren
2016-07-01 19:50 ` brbarkstrom
2016-07-02 1:55 ` Warren
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