Chapter 3. Functions

In the previous chapter, we covered the object-oriented aspects of Scala, such as classes, objects, pattern matching, self-types, case classes, and so on. We also implemented object-oriented concepts that we learned in our chatbot application.

In this chapter, we will cover functional programming with Scala and how object-oriented and functional approaches complete each other. We will also cover generic classes, which are often used with pattern matching. We will also cover how to create user-defined pattern matching and why is it useful.

By the end of this chapter, you will be able to:

  • Identify the basics of functional programming
  • Identify the basics of generic types in Scala
  • Implement user-defined pattern matching
  • Recognize ...

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