You're designing a caching mechanism for user sessions where each user ID maps to session data. Which ES6 data structure would be most suitable?
- Map
- Set
- WeakMap
- WeakSet
In this scenario, a Map would be most suitable. A Map in ES6 allows you to associate keys (user IDs) with values (session data), making it an ideal choice for a caching mechanism where you need to map user IDs to their respective session data.
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