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Re: Mutating existing persistent data


From: Lars Ingebrigtsen
Subject: Re: Mutating existing persistent data
Date: Tue, 07 Dec 2021 08:00:17 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Qiantan Hong <qhong@mit.edu> writes:

> That’s interesting. If you declare a variable persistent
> and the modified a cons deeply nested inside what the
> variable points to, are you able to store the mutation
> as a single (log operation)?

No, I store the whole value.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no



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