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From: "Randy Brukardt" <randy@rrsoftware.com>
Subject: Re: Map iteration and modification
Date: Tue, 2 Jan 2024 21:22:00 -0600	[thread overview]
Message-ID: <un2jrc$3324e$1@dont-email.me> (raw)
In-Reply-To: umv8rg$2b4on$1@dont-email.me

"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message 
news:umv8rg$2b4on$1@dont-email.me...
...
> It is same benefit Ada arrays have over C's T* pointers and arithmetic of. 
> Cursor is merely a fat pointer.

A cursor is an abstract reference. It *might* be implemented with a pointer 
or with an array index. Indeed, the bounded containers pretty much have to 
be implemented with an underlying array.

It would be nice if there was some terminology for abstract references that 
hadn't been stolen by some programming language. Terms like "pointer" and 
"access" and "reference" all imply an implementation strategy. That's not 
relevant most of the time, and many programming language design mistakes 
follow from that. (Anonymous access types come to mind).

               Randy.


  parent reply	other threads:[~2024-01-03  3:22 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-28 13:53 Map iteration and modification DrPi
2023-12-28 13:59 ` DrPi
2023-12-28 16:06   ` Dmitry A. Kazakov
2023-12-28 17:57     ` DrPi
2023-12-29  3:20     ` Randy Brukardt
2023-12-29  9:51       ` Dmitry A. Kazakov
2023-12-29 15:03         ` G.B.
2023-12-29 16:52           ` Dmitry A. Kazakov
2024-01-01 19:27             ` G.B.
2024-01-01 20:55               ` Dmitry A. Kazakov
2024-01-02 16:40                 ` G.B.
2024-01-02 20:57                   ` Dmitry A. Kazakov
2024-01-03  3:22                 ` Randy Brukardt [this message]
2024-01-03  4:05                   ` moi
2023-12-30  7:21         ` Randy Brukardt
2023-12-30 11:07           ` Dmitry A. Kazakov
2024-01-03  3:15             ` Randy Brukardt
2024-01-03 10:04               ` Dmitry A. Kazakov
2024-01-04  4:07                 ` Randy Brukardt
2024-01-04 11:28                   ` Dmitry A. Kazakov
2024-01-05  2:00                     ` Randy Brukardt
2024-01-05  9:26                       ` Simon Wright
2024-01-05 11:51                       ` Dmitry A. Kazakov
2024-01-06  7:25                         ` Randy Brukardt
2024-01-07 15:06                           ` Jeffrey R.Carter
2024-01-09  4:46                             ` Randy Brukardt
2024-01-09  5:56                               ` when-clauses (was Re: Map iteration and modification) Lawrence D'Oliveiro
2024-01-09  9:43                               ` Map iteration and modification Jeffrey R.Carter
2024-04-17 10:12                         ` Cóilín Nioclás Pól Glostéir
2024-01-06  2:54                       ` “Usability” (was Re: Map iteration and modification) Lawrence D'Oliveiro
2024-01-06  7:03                         ` "Usability" " Randy Brukardt
2024-01-06  8:14                           ` Niklas Holsti
2024-01-06 23:41                           ` Lawrence D'Oliveiro
2024-01-07  1:21                           ` J-P. Rosen
2024-01-09 15:19                             ` Bill Findlay
2024-01-09 20:30                             ` Lawrence D'Oliveiro
2023-12-29  3:08   ` Map iteration and modification Randy Brukardt
2023-12-29 13:53     ` DrPi
2023-12-30  6:29       ` Randy Brukardt
2023-12-31 13:56         ` DrPi
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