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What is the difference between monads and functors?

An example of an AI chatbot conversation about monads and functors in functional programming.

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You

What is the difference between monads and functors?

MagicBuddy
MagicBuddy

Monads and functors are both concepts in functional programming. A functor is a type that can be mapped over, while a monad is a type that can be chained together. Essentially, all monads are functors, but not all functors are monads.

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You

Can you give me an example of a functor?

MagicBuddy
MagicBuddy

Sure! In Haskell, the Maybe type is a functor. You can use the fmap function to apply a function to the value inside a Maybe, if it exists.

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You

What about an example of a monad?

MagicBuddy
MagicBuddy

An example of a monad is the IO type in Haskell. It allows you to perform input/output operations while maintaining functional purity.

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You

How do they relate to each other?

MagicBuddy
MagicBuddy

Functors provide a way to apply functions to wrapped values, while monads extend this by allowing for function chaining and handling of side effects.

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