How can I extend an LFU cache implementation?

I'm working on a project that uses an LFU cache. How can I extend its functionality?

To extend an LFU cache, you can add features like time-based expiration, support for multiple data types, or a more complex eviction policy.

What do you mean by a more complex eviction policy?

A complex eviction policy could involve prioritizing certain items based on access patterns or integrating a second cache layer.

Can you give an example of integrating a second cache layer?

Sure! You could use a write-back cache as a second layer, where frequently accessed items are stored temporarily before being written to the main storage.

That sounds interesting! How would I implement that in code?

You would need to modify your LFU cache class to include a secondary cache object and implement logic to manage data between both caches.