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From: Yuan Fu <casouri@gmail.com>
To: Emanuel Berg <moasenwood@zoho.eu>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Edit a cl-struct by copy, or, slot-value for cl-structs
Date: Fri, 29 Oct 2021 14:44:56 -0700	[thread overview]
Message-ID: <D68247AB-5C36-4806-BD91-D6A5121F1D0E@gmail.com> (raw)
In-Reply-To: <87mtmry8nc.fsf@zoho.eu>



> On Oct 29, 2021, at 11:43 AM, Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org> wrote:
> 
> Yuan Fu wrote:
> 
>> (make-xxx :slot1 (xxx-slot1 obj)
>>          :slot2 (xxx-slot2 obj)
>>          :slot3 newvalue)
> 
> How do you create the initial struct?

I don’t think enforcing read-only when creating an object makes much sense ;-)

> 
>> Anyone knows how to define such a copy-with function without
>> resorting to EIEIO?
> 
> "Enforce In-order Execution of I/O" ... and a joke (?)
> <https://en.wikipedia.org/wiki/Enforce_In-order_Execution_of_I/O>

That would have been a half-decent joke, but I was actually referring to eieio.el, which implements parts of CLOS from Common Lisp.

Yuan


  reply	other threads:[~2021-10-29 21:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-29 18:27 Edit a cl-struct by copy, or, slot-value for cl-structs Yuan Fu
2021-10-29 18:43 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-29 21:44   ` Yuan Fu [this message]
2021-10-29 19:15 ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-10-29 21:46   ` Yuan Fu
2021-10-31 18:52     ` Stefan Monnier
2021-10-29 21:37 ` Michael Heerdegen
2021-10-29 22:02   ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-10-29 23:14     ` Michael Heerdegen

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