What is an Applicative Functor in Haskell?
An example of an AI chatbot conversation about Haskell's Applicative Functor concept.
Can you explain what an Applicative Functor is in Haskell?
Sure! An Applicative Functor is a type class in Haskell that allows you to apply functions wrapped in a context to values wrapped in a context.
How is it different from a regular Functor?
Great question! While a Functor allows you to apply a function to a value in a context, an Applicative Functor lets you apply a function that is also in a context to a value in a context.
Can you give me an example of how to use it?
Absolutely! For instance, if you have a function wrapped in a context, like Just (+1), and a value wrapped in a context, like Just 2, you can apply them using <*>, resulting in Just 3.
What are some practical uses of Applicative Functors?
Applicative Functors are useful in scenarios like validating multiple inputs, combining results from different computations, and working with effects in a clean way.
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