What is the MonadError type class in Haskell?
An example of an AI chatbot conversation about Haskell's MonadError type class.
Can you explain what the MonadError type class is in Haskell?
Sure! MonadError is a type class in Haskell that allows you to handle errors in a monadic context. It provides methods to throw and catch errors.
How does it differ from other monads like Maybe?
Unlike Maybe, which represents computations that might fail with a value of Nothing, MonadError allows you to provide error messages and handle them more explicitly.
Can you give me an example of using MonadError?
Certainly! Here's a simple example: you can use the 'throwError' function to throw an error and 'catchError' to handle it within a monadic computation.
What libraries support MonadError?
Libraries like 'mtl' and 'transformers' provide support for MonadError, allowing you to work with various monads that can handle errors.
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