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What is the Haskell Either type?

An example of an AI chatbot conversation about the Haskell Either type.

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You

Can you explain what the Haskell Either type is?

MagicBuddy
MagicBuddy

The Either type in Haskell is a way to represent a value that can be one of two types. It's often used for error handling.

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You

How do you use the Either type in a function?

MagicBuddy
MagicBuddy

You can use Either in a function to return a value or an error. For example, Either String Int can return an error message or an integer.

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You

Can you give me an example of a function using Either?

MagicBuddy
MagicBuddy

Sure! Here's a simple example: safeDivide :: Int -> Int -> Either String Int which returns an error message if dividing by zero.

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You

What are the advantages of using Either over exceptions?

MagicBuddy
MagicBuddy

Using Either allows for more explicit error handling and makes it clear when a function can fail, improving code readability.

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