Код: Выделить всё
struct ContentView: View {
let animals = ["Apple", "Bear", "Cat", "Dog", "Elephant"]
var body: some View {
VStack {
/// array of tuples containing each element's index and the element itself
let enumerated = Array(zip(animals.indices, animals))
ForEach(enumerated, id: \.1) { index, animal in
Text(animal)
/// add a divider if the element isn't the last
if index != enumerated.count - 1 {
Divider()
.background(.blue)
}
}
}
}
}
это работает, но я добавляю Divid, но я добавляю Divid, но Automale Be Wayers, но Auto Automale, но Automale Ait Automames, но Auto Autherers, но Auto Authers, но Autiders, но Auto Authers, но Auto Autherers, но Auto Autherers. Массив (Zip (Animals.indices, животные)) каждый раз. Вот что у меня есть до сих пор: < /p>
Код: Выделить всё
struct ForEachDividerView: View where Data: RandomAccessCollection, Data.Element: Hashable, Content: View {
var data: Data
var content: (Data.Element) -> Content
var body: some View {
let enumerated = Array(zip(data.indices, data))
ForEach(enumerated, id: \.1) { index, data in
/// generate the view
content(data)
/// add a divider if the element isn't the last
if let index = index as? Int, index != enumerated.count - 1 {
Divider()
.background(.blue)
}
}
}
}
/// usage
ForEachDividerView(data: animals) { animal in
Text(animal)
}
Код: Выделить всё
struct Person {
var name: String
}
struct ContentView: View {
let people: [Person] = [
.init(name: "Anna"),
.init(name: "Bob"),
.init(name: "Chris")
]
var body: some View {
VStack {
/// Error! Generic struct 'ForEachDividerView' requires that 'Person' conform to 'Hashable'
ForEachDividerView(data: people) { person in
Text(person.name)
}
}
}
}
Код: Выделить всё
struct ForEachDividerView: View where Data: RandomAccessCollection, ID: Hashable, Content: View {
var data: Data
var id: KeyPath
var content: (Data.Element) -> Content
var body: some View {
let enumerated = Array(zip(data.indices, data))
/// Error! Invalid component of Swift key path
ForEach(enumerated, id: \.1.appending(path: id)) { index, data in
content(data)
if let index = index as? Int, index != enumerated.count - 1 {
Divider()
.background(.blue)
}
}
}
}
/// at least this part works...
ForEachDividerView(data: people, id: \.name) { person in
Text(person.name)
}
Подробнее здесь: https://stackoverflow.com/questions/725 ... -a-foreach
Мобильная версия