What is pattern matching in Haskell?
An example of an AI chatbot conversation about pattern matching in Haskell.
What is pattern matching in Haskell?
Pattern matching in Haskell is a mechanism for checking a value against a pattern. It allows you to deconstruct data types and bind variables to their components.
Can you give me an example of pattern matching with lists?
Sure! For example, you can match a list like this: case xs of [] -> 'Empty'; (x:_) -> 'Non-empty'. This checks if the list is empty or not.
What are the benefits of using pattern matching?
Pattern matching makes code more readable and concise. It allows for clear handling of different data structures without extensive conditional logic.
Are there any limitations to pattern matching?
Yes, one limitation is that it can lead to runtime errors if patterns are not exhaustive. It's important to cover all possible cases.
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