SwiftUI and Node.js Full Stack - Build Twitter - iOS 16 - Functions

This video tutorial introduces the concept of functions in programming, starting with a basic definition and moving on to practical examples. It covers creating a simple greeting function, understanding inputs and outputs, and building a calculator app. Advanced topics like swapping variables and finding min-max values in an array are also discussed. The tutorial emphasizes the importance of functions in organizing code and performing specific tasks efficiently.

What is the process of creating a simple calculator app using functions?

Explain how to swap two variables using a function.

What is the purpose of checking if an array is empty before processing it in a function?

How can a function return multiple values, such as minimum and maximum from an array?