EraCode practice
Durable Object: Maintain a unique visitor set per day
Cloudflareintermediatecoding
Summary
Implement **one data-structure update** in a Cloudflare **Durable Object**. - Store a **set of unique visitor IDs** for a given day in Durable Object storage. - When a visitor ID is recorded, it should be added only once (idempotent). - Return the updated **unique count** for that day.
Problem preview
Implement **one data-structure update** in a Cloudflare **Durable Object**. - Store a **set of unique visitor IDs** for a given day in Durable Object storage. - When a visitor ID is recorded, it shou…
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