ListReader

public struct ListReader<Object, Content, Value> : View where Object : DynamicObject, Content : View

A container view that reads list changes in a ListPublisher

Internal


                    
                    
                    init(_:content:)

Creates an instance that creates views for ListPublisher changes.

let people: ListPublisher<Person>

var body: some View {

   List {

       ListReader(self.people) { listSnapshot in

           ForEach(objectIn: listSnapshot) { person in

               ProfileView(person)
           }
       }
   }
   .animation(.default)
}

Declaration

Swift

public init(
    _ listPublisher: ListPublisher<Object>,
    @ViewBuilder content: @escaping (ListSnapshot<Object>) -> Content
) where Value == ListSnapshot<Object>

Parameters

`listPublisher`	The `ListPublisher` that the `ListReader` instance uses to create views dynamically
`content`	The view builder that receives an `ListSnapshot` instance and creates views dynamically.


                    
                    
                    init(_:keyPath:content:)

Creates an instance that creates views for ListPublisher changes.

let people: ListPublisher<Person>

var body: some View {

    ListReader(self.people, keyPath: \.count) { count in

        Text("Number of members: \(count)")
    }
}

Declaration

Swift

public init(
    _ listPublisher: ListPublisher<Object>,
    keyPath: KeyPath<ListSnapshot<Object>, Value>,
    @ViewBuilder content: @escaping (Value) -> Content
)

Parameters

`listPublisher`	The `ListPublisher` that the `ListReader` instance uses to create views dynamically
`keyPath`	A `KeyPath` for a property in the `ListSnapshot` whose value will be sent to the views
`content`	The view builder that receives the value from the property `KeyPath` and creates views dynamically.

View

body
Declaration
Swift

public var body: some View { get }