What are the best practices for using functors in programming?

What are the best practices for using functors in programming?

When using functors, it's important to ensure they are pure functions, avoid side effects, and maintain composability.

Can you explain what a pure function is?

A pure function is one that, given the same input, will always return the same output and does not cause any side effects.

How do functors help with code readability?

Functors can enhance code readability by allowing you to chain operations and apply functions to values in a clear and concise manner.

Are there any common pitfalls to avoid when using functors?

Yes, common pitfalls include overusing functors for simple tasks, which can lead to unnecessary complexity, and not handling errors properly.