What are some practical examples of Haskell type classes?
An example of an AI chatbot conversation about Haskell type classes with practical examples.
What are some practical examples of Haskell type classes?
Haskell type classes allow you to define functions that can operate on different types. For example, the 'Eq' type class is used for types that support equality testing.
Can you give me an example of how 'Eq' is used?
Sure! Here's a simple example: if you have a data type 'Point', you can make it an instance of 'Eq' to compare two points for equality.
What about other type classes like 'Show'?
The 'Show' type class is used for types that can be converted to a string. For instance, you can define how to display your 'Point' type as a string.
Are there any more advanced examples of type classes?
Absolutely! You can create custom type classes for specific behaviors, like a 'Shape' class that requires a method to calculate area.
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