https://abhishekshukla.dev/tags/protocols/Recent content in Protocols on Abhishek ShuklaHugoen-usMon, 29 Jun 2026 10:00:00 +0530https://abhishekshukla.dev/blog/equatable-comparable-hashable/Mon, 29 Jun 2026 10:00:00 +0530https://abhishekshukla.dev/blog/equatable-comparable-hashable/<p>When building applications in Swift, you constantly need to compare objects, sort arrays, or store unique items in a <code>Set</code> or <code>Dictionary</code>. To do this efficiently, Swift relies on three fundamental protocols: <strong>Equatable</strong>, <strong>Comparable</strong>, and <strong>Hashable</strong>.</p> <p>While these protocols are easy to adopt, their behavior differs significantly depending on whether you are using a <code>struct</code> or a <code>class</code>. Let&rsquo;s break down why we need them and how to implement them correctly.</p>