https://felix-seifert.com/blog/tags/functional-programming/ Recent content in Functional-Programming on Felix Seifert Hugo en-gb Felix Seifert Mon, 24 Aug 2026 00:00:00 +0000 https://felix-seifert.com/blog/go-generic-methods-stream-api/ Mon, 24 Aug 2026 00:00:00 +0000 https://felix-seifert.com/blog/go-generic-methods-stream-api/ <p>Go liked to keep its distance from Java&rsquo;s more expressive style; fluent chains like <code>.stream().filter().map().collect()</code>, more like in functional programming, have not really been possible. That gap just got smaller. The recently released Go 1.27 adds <strong>generic methods</strong>, and it quietly unlocks this kind of chained, type-changing pipelines that Java developers can enjoy since Java 8.</p> <h2 id="the-change">The Change</h2> <p>To share some definition first to ensure a common understanding: In object-oriented programming, a function is a named stand-alone block of code, while a method is associated with a class/object/struct (<a href="https://stackoverflow.com/a/155655" target="_blank" rel="noopener">Stackoverflow description</a>).</p>