What Is A Property Wrapper in Swift?

They are SO useful

Photo by Arturo Esparza on Unsplash

Difficulty: Beginner | Easy | Normal | Challenging

Prerequisites:

None

Terminology:

Property Wrapper: A property wrapper adds a layer of separation between code that manages how a property is stored and the code that defines a property

The Context

We can calculate the area of a square. It’s not too tricky, so we can use the multiplication operator to calculate an area and the sqrt function to return an edge from an area.

Nothing too tricky here! (hopefully)

The Idea