What are some popular error handling libraries in Haskell?
An example of an AI chatbot conversation about Haskell error handling libraries.
What are some popular error handling libraries in Haskell?
Some popular error handling libraries in Haskell include 'Either', 'Maybe', and 'exceptions'. Each has its own use cases.
Can you explain how the 'Either' type works for error handling?
The 'Either' type represents a value that can be one of two types: 'Left' for an error and 'Right' for a success. It's useful for returning error messages.
What about the 'Maybe' type? How is it different from 'Either'?
The 'Maybe' type is used when a value may or may not exist. It has two constructors: 'Just' for a value and 'Nothing' for no value, unlike 'Either' which provides error information.
Are there any libraries that combine these types for better error handling?
Yes, libraries like 'transformers' and 'mtl' can help combine 'Maybe' and 'Either' for more complex error handling scenarios.
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