4.3.2 - Key Features
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Practice Questions
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What is a pure function?
💡 Hint: Think about functions that can be tested in isolation.
Explain immutability.
💡 Hint: Consider why this might be beneficial in programming.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a characteristic of a pure function?
💡 Hint: Think about functions that can be tested easily.
True or False: Lazy evaluation can improve performance.
💡 Hint: Consider how not evaluating immediately can save resources.
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Challenge Problems
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Create a simple program that demonstrates the concept of a pure function using any programming language of your choice. Explain why it is considered a pure function.
💡 Hint: Ensure your function does not depend on any outside variables.
Explain how a program utilizing lazy evaluation could perform differently than one that evaluates eagerly. Provide an example.
💡 Hint: Consider scenarios where not all data needs to be processed immediately.
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