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From: Stefan Monnier via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: [OFFTOPIC] Re: Appending lists
Date: Thu, 17 Jun 2021 08:41:08 -0400	[thread overview]
Message-ID: <jwvim2chdic.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: 20210617075433.GA19264@tuxteam.de

tomas@tuxteam.de [2021-06-17 09:54:33] wrote:
> On Thu, Jun 17, 2021 at 01:49:21AM +0200, Emanuel Berg via Users list for
> the GNU Emacs text editor wrote:
>> Drew Adams wrote:
>> 
>> >> What's a "deep copy"?
>
> [...]
>
>> deep copy = actual copy
>> 
>> shallow copy = copy of references?
>
> Assignment = copy at depth 0
> Shallow copy = copy at depth 1
> ...
> 42 copy = copy at depth 42
> ...
> Deep copy = copy at depth infinite

In the wonderful world of Haskell, of course, we have

   assignment is not allowed
   copy at depth 0 == copy at depth N == deep copy == no-op


-- Stefan




  reply	other threads:[~2021-06-17 12:41 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-14 16:36 Appending lists Pierpaolo Bernardi
2021-06-14 16:40 ` henri-biard
2021-06-14 18:21   ` Alexandr Vityazev
2021-06-15  0:46     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-15  8:27       ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-15  9:18         ` tomas
2021-06-16  1:11           ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16  7:28             ` tomas
2021-06-16  9:13               ` Jean Louis
2021-06-16  9:32                 ` tomas
2021-06-16 10:55                   ` Jean Louis
2021-06-16 16:44                     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 18:00                       ` Using Emacs for business Jean Louis
2021-06-16 22:59                         ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 23:39                           ` Jean Louis
2021-06-17  0:16                             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-17  7:09                               ` Jean Louis
2021-07-06  3:22                                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-07-06 20:23                                   ` Jean Louis
2021-07-06 20:41                                     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-07-07  0:18                                       ` Jean Louis
2021-06-16  9:19               ` Appending lists Jean Louis
2021-06-16  9:35                 ` tomas
2021-06-16 10:57                   ` Jean Louis
2021-06-16 16:55                     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 11:16                 ` Yuri Khan
2021-06-16 11:30                   ` Jean Louis
2021-06-16 11:54                     ` tomas
2021-06-16 17:31                       ` Jean Louis
2021-06-16 23:13                         ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 23:41                           ` Jean Louis
2021-06-16 13:01                     ` Philip Kaludercic
2021-06-16 16:59                       ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 17:36                       ` Jean Louis
2021-06-16 18:54                         ` tomas
2021-06-16 21:24                           ` Philip Kaludercic
2021-06-16 23:25                             ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-17  7:16                               ` tomas
2021-06-17  7:14                             ` tomas
2021-06-16 23:24                           ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 23:19                         ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 11:49                   ` [OT] Underground (was: Appending lists) tomas
2021-06-19  0:10                     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 16:54                 ` Appending lists Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 18:49                   ` tomas
2021-06-16 21:40                     ` Jean Louis
2021-06-16 22:35                       ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-06-16 23:02                         ` Jean Louis
2021-06-17  0:00                           ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 23:44                         ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-17  7:20                           ` tomas
2021-06-16 23:39                       ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 23:31                     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 14:22               ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-06-16 15:11                 ` tomas
2021-06-16 15:31                   ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-06-16 15:48                     ` tomas
2021-06-16 23:04                     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-17  2:41                       ` [OFFTOPIC] " Stefan Monnier via Users list for the GNU Emacs text editor
2021-06-17  6:09                         ` Arthur Miller
2021-06-17  6:29                           ` Stefan Monnier
2021-06-17 23:53                             ` Arthur Miller
2021-06-18 14:15                               ` Stefan Monnier
2021-06-19  0:04                                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-19  1:20                                   ` Eduardo Ochs
2021-06-19  2:18                                     ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-19  2:43                                   ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-06-21 15:07                                 ` Arthur Miller
2021-06-17  7:51                         ` tomas
2021-06-17  7:50                       ` tomas
2021-06-18 23:47                         ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-19  2:35                           ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-06-19  6:52                             ` tomas
2021-06-16 23:03                 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 16:42               ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 16:55                 ` [External] : " Drew Adams
2021-06-16 17:06                   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-16 17:54                     ` Drew Adams
2021-06-16 23:49                       ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-06-17  7:54                         ` tomas
2021-06-17 12:41                           ` Stefan Monnier via Users list for the GNU Emacs text editor [this message]
2021-06-17 14:19                             ` [OFFTOPIC] " tomas
2021-06-18 23:55                           ` [External] : " Emanuel Berg via Users list for the GNU Emacs text editor

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