swiftui-behind-the-scene-explicit-identity.swift

struct Book {
    var id: String
    var name: String
}

struct ContentView: View {
    private var books: [Book] = []
    
    var body: some View {
        List {
            ForEach(books, id: \.id) { book in
                Text(book.name)
            }
        }
    }
}