What are some common mistakes in memoization?
Some common mistakes include not using a proper cache, failing to handle edge cases, and not invalidating the cache when necessary.
Can you explain what you mean by not using a proper cache?
Sure! A proper cache should be able to store results efficiently. Using a simple array instead of an object or map can lead to performance issues.
What about edge cases? Can you give an example?
Absolutely! For instance, if your function handles negative numbers but your memoization logic doesn't account for them, it could return incorrect results.
How can I ensure my cache is invalidated correctly?
You can implement a strategy to clear or update the cache when the underlying data changes, ensuring that stale data isn't used.
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