Exam subjects

1. Virtual CPU and tail recursion

• What is an instruction?
• What is a CPU?
• What is tail recursion?
• When can tail recursion be applied?
• Why is tail recursion necessary in FP?

2. Map and flatmap

• What is the difference between an array and a linked list?
• What is recursion?
• What is a higher-order function?
• What does mapping mean?
• What does flattening a list mean?

3. Elm

• What are some of the differences between OOP and FP?
• Why do we need the Elm runtime?
• What are some of the benefits of using Elm?
• What is the Maybe type in Elm? When is it used?
• What is the Result type in Elm? When is it used?
• Can you reverse a string in Elm?
• Can you write a call to a HTTP endpoint?

4. Haskell

• What is a side-effect?
• How do Haskell handle side-effects? What does ‘IO ()’ mean?
• What does it mean that functions are first-class citizens?
• What is recursion?
• What are some of the benefits of using Haskell?