What are some functors in Haskell?
An example of an AI chatbot conversation about functors in Haskell programming.
What are some functors in Haskell?
In Haskell, a functor is a type class that allows you to apply a function over wrapped values. A common example is the Maybe type.
Can you explain how the Maybe functor works?
Sure! The Maybe type can either be Just value or Nothing. It allows safe handling of computations that might fail.
Are there other functors besides Maybe?
Yes, other examples include lists, Either, and IO. Each has its own way of applying functions to wrapped values.
How do I implement a custom functor?
To implement a custom functor, you need to define the fmap function for your type, following the functor laws.
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