Deref on rustbiteshttps://www.rustbites.com/tags/deref/Recent content in Deref on rustbitesHugoenTue, 02 Jun 2026 10:56:38 +0200176. Option::as_deref — Stop Writing .as_ref().map(|s| s.as_str())https://www.rustbites.com/posts/bite-176/Mon, 01 Jun 2026 17:00:00 +0100https://www.rustbites.com/posts/bite-176/<p>You have an <code>Option&lt;String&gt;</code>. The function next door takes <code>Option&lt;&amp;str&gt;</code>. The chain you keep typing — <code>.as_ref().map(|s| s.as_str())</code> — has a one-method replacement.</p>