From: Marc-Andre Lafortune <ruby-core-mailing-list@...>
Date: 2020-11-27T01:03:42-05:00
Subject: [ruby-core:101116] Re: [Ruby master Feature#17342] Hash#fetch_set

On Thu, Nov 26, 2020 at 9:05 PM <nobu@ruby-lang.org> wrote:
>
> It is true **ideally**, but no one can guarantee the hash value never change.

Please, let's be serious. `hash[obj] ||= something_that_changes_obj`
is nonsense code.

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