Hashset on rustbiteshttps://www.rustbites.com/tags/hashset/Recent content in Hashset on rustbitesHugoenFri, 26 Jun 2026 15:31:17 +0200222. HashSet::intersection / union / difference — Set Math Without the Manual Loopshttps://www.rustbites.com/posts/bite-222/Thu, 25 Jun 2026 17:00:00 +0100https://www.rustbites.com/posts/bite-222/<p>Need the items two collections have in common, or the ones only in one of them? Don&rsquo;t write a <code>for</code> loop with <code>.contains()</code> inside. <code>HashSet</code> has set algebra built in.</p>