Summary
In this chapter, we explored one of Kotlin’s most powerful and expressive features: lambda expressions. These allow you to take a functional programming approach, simplifying complex operations and making it easier to write concise, readable code. First, we delved into higher-order functions to reinforce the concept of functions that can accept other functions as parameters or return them, which lays the groundwork for advanced techniques in Kotlin.
We also introduced the concept of receivers in lambdas and functions, which provide a cleaner, more declarative way to extend functions and directly access an object’s properties and methods, without needing to explicitly refer to it. This feature, which does not exist in Java, improves code flexibility and readability, allowing operations to be integrated more naturally into the flow of code.
Finally, we applied these concepts in the context of collections, where lambdas excel at operations such as filtering...