Question: Questions about haskell: (a) What is a higher-order function? Give two reasons why higher-order functions are useful, ustrating your reasons by simple examples. (b) Explain

Questions about haskell:

Questions about haskell: (a) What is a higher-order function? Give two reasons

(a) What is a higher-order function? Give two reasons why higher-order functions are useful, ustrating your reasons by simple examples. (b) Explain what polymorphism is by describing examples of three different types of polymorphism in Haskell and Java (c) Haskell uses lazy evaluation. What is lazy evaluation

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