https://b.hatena.ne.jp/entry/s/blog.saeloun.com/2022/11/22/data-immutable-object/ Swaathi Kakarla is a Ruby on Rails Developer specializing in building super-fast and secure web applications. Ruby 3.2 adds a new core class called Data to represent simple immutable value objects.... https://b.hatena.ne.jp/xef/20221130#bookmark-4728606770602663300 2022-11-30T14:44:17Z Ruby https://b.hatena.ne.jp/sonota88/20221130#bookmark-4728606770602663300 via https://news.ycombinator.com/item?id=33792874 2022-11-29T23:15:03Z Ruby https://b.hatena.ne.jp/shimbaco/20221125#bookmark-4728606761475853316 2022-11-25T14:57:34Z ruby ruby-3.2