https://www.compilemymind.com/tags/ios/ Recent content in Ios on Compile My Mind Hugo en Sun, 26 Jul 2026 18:45:00 +0200 https://www.compilemymind.com/posts/swift-concurrency-async-await-tasks-actors/ Mon, 20 Jul 2026 22:58:16 +0300 https://www.compilemymind.com/posts/swift-concurrency-async-await-tasks-actors/ <p>Swift concurrency is easier to reason about when four ideas remain separate:</p> <ul> <li><code>async</code> marks a function that may suspend.</li> <li><code>await</code> marks a possible suspension point.</li> <li>a <code>Task</code> gives asynchronous work a lifetime and priority context.</li> <li>an <code>actor</code> isolates mutable state.</li> </ul> <p>None of these means “start a new thread.” The runtime schedules jobs on executors, and an asynchronous function can resume on an executor appropriate to its isolation.</p> <p><figure> <img src="https://www.compilemymind.com/posts/swift-concurrency-async-await-tasks-actors/concept-flow.svg" alt="Swift structured task tree feeding results through an actor-isolated cache to the MainActor UI" width="1200" height="720" loading="lazy" decoding="async"> </figure></p>