https://mariano-gonzalez.com/tags/records/ Recent content in Records on Mariano Gonzalez Hugo en-us <p>Copyright © 2026 Mariano Gonzalez</p><p xmlns:dct='http://purl.org/dc/terms/' xmlns:cc='http://creativecommons.org/ns#' class='license-text'><a rel='cc:attributionURL' property='dct:title' href='https://github.com/eschizoid/eschizoid.github.io/tree/main/content'>Content</a> licensed under <a rel='license' href='https://creativecommons.org/licenses/by/4.0'>CC BY 4.0</a></p> Sat, 30 May 2026 00:00:00 +0000 https://mariano-gonzalez.com/posts/post-6/ Sat, 30 May 2026 00:00:00 +0000 https://mariano-gonzalez.com/posts/post-6/ <p>Telescope is a Java 25 deep-copy DSL for records and POJOs. You build a path through an immutable graph, then read it, write it, update it, traverse it, convert it, or thread an effect through it. No hand-written copy constructors. No mention of <code>Iso</code>, <code>Lens</code>, <code>Prism</code>, <code>Affine</code>, or <code>Traversal</code> anywhere in your code. The end-state is one method-ref chain on the runtime DSL, or one fluent chain on the generated navigator. Both bottom out at the same value:</p>