Step 2.swift

@_functionBuilder
struct PeopleBuilder {
    static func buildBlock(_ people: Person...) -> [Person] {
        return people
    }
}

struct Table {
    let people: [Person]
    
    // For blocks that return just 1 Person object
    init(@PeopleBuilder _ builder: () -> Person) {
        self.people = [builder()]
    }
    
    // For blocks that return multiple Person objects
    init(@PeopleBuilder _ builder: () -> [Person]) {
        self.people = builder()
    }
}

Table {
    Person("Mr. Ed Ford", .chicken)
}

Table {
    Person("Mr. John Smith", .beef)
    Person("Mrs. Jane Smith", .chicken)
}