Crafting Elegant Swift Code: Beyond the Basics

How to create Swift code that is aesthetically pleasing and, more importantly, self-documenting.

This is how elegant Swift code should look like. Credits: Pexels

Swift, renowned for its clarity and expressiveness, offers a plethora of features to write code that’s not only functional but also aesthetically pleasing. In this article, we delve into the art of crafting elegant Swift code, exploring techniques that elevate your code from good to great.

Beginner Level

Argument Labels: Enhancing Clarity

Swift’s argument labels are more than mere gimmicks. They serve a crucial role in making your function calls self-documenting. Consider this example:

func count(fruitName: String) {
    print(3)
}

// Get the count
count(fruitName: "Apple")

While the function name clearly states that we get the count for a certain fruit, we can make it even more expressive:

func count(of fruitName: String) {
    print(3)
}

count(of "Apple")

This looks way better on the calling side and makes the code more readable. Additionally, the of makes it very clear we need the count of a fruit.

Moving Part of a Function Name into the First Label