0001-single-source-of-truth-007.swift

struct Person {
    let name: String
}

struct People {
    // This empty array will be the wrappedValue in the init.
    @Sorted(by: { $0.name < $1.name }) var items: [Person] = [] 
}

var people = People()
people.append(Person(name: "John"))
people.append(Person(name: "Harry"))
people.append(Person(name: "Allan"))
print(people.items.map({ $0.name })) // ["Allan", "Harry", "John"]