Swift’s Result Builders
TupleViews and more!
Difficulty: Beginner | Easy | Normal | Challenging
This article has been developed using Xcode 14.2, and Swift 5.7.2
Prerequisites:
You need to be able to code in Swift, perhaps using
Playgrounds and be able to use SwiftUI
Terminology
@resultBuilder: An attribute that transforms a sequence of statements into a single combined value
TupleView: A View created from a swift tuple of View values
Tuple: A group of zero or more values represented as a single compound value
Type: A representation of the type of data that can be processed, for example Integer or String
Variadric parameters: A parameter for a function that accepts zero or more values of the specified type
Result builders: The prerequisites
We need to understand a number of things to be able to fully understand
Tuples…from the beginning
I’ve already written about Tuples in a previous article) as they allow you to store multiple values in a single variable.