Atomicity on rustbiteshttps://www.rustbites.com/tags/atomicity/Recent content in Atomicity on rustbitesHugoenMon, 20 Jul 2026 22:04:45 +0200271. fs::rename — Replace a File Atomically, Never Expose a Half-Writehttps://www.rustbites.com/posts/bite-271/Mon, 20 Jul 2026 17:00:00 +0100https://www.rustbites.com/posts/bite-271/<p><code>fs::write</code> truncates the file <em>before</em> writing. Crash halfway — or get read halfway — and the world sees a torn file. <code>fs::rename</code> is the atomic swap that fixes it.</p>