What are advanced types in Haskell?
An example of an AI chatbot conversation about advanced types in Haskell programming.
What are advanced types in Haskell?
Advanced types in Haskell include features like type families, GADTs, and existential types, which enhance type safety.
Can you explain GADTs and how they differ from regular data types?
GADTs, or Generalized Algebraic Data Types, allow you to specify the type of constructors, providing more flexibility than regular data types.
What are type families and how do they work?
Type families enable you to define functions at the type level, allowing for more expressive and flexible type definitions.
How do existential types improve Haskell's type system?
Existential types allow you to hide type information, enabling more abstract data types and promoting encapsulation.
Can you give an example of using advanced types in a Haskell program?
Sure! Here's a simple example using GADTs to define a type-safe expression evaluator.
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