ObjectReader

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

A container view that reads changes to an ObjectPublisher

Internal


                    
                    
                    init(_:content:)

Creates an instance that creates views for ObjectPublisher changes.

Declaration

Swift

public init(
    _ objectPublisher: ObjectPublisher<Object>?,
    @ViewBuilder content: @escaping (ObjectSnapshot<Object>) -> Content
) where Value == ObjectSnapshot<Object>, Placeholder == EmptyView

Parameters

`objectPublisher`	The `ObjectPublisher` that the `ObjectReader` instance uses to create views dynamically
`content`	The view builder that receives an `Optional<ObjectSnapshot<O>>` instance and creates views dynamically.


                    
                    
                    init(_:content:placeholder:)

Creates an instance that creates views for ObjectPublisher changes.

Declaration

Swift

public init(
    _ objectPublisher: ObjectPublisher<Object>?,
    @ViewBuilder content: @escaping (ObjectSnapshot<Object>) -> Content,
    @ViewBuilder placeholder: @escaping () -> Placeholder
) where Value == ObjectSnapshot<Object>

Parameters

`objectPublisher`	The `ObjectPublisher` that the `ObjectReader` instance uses to create views dynamically
`content`	The view builder that receives an `Optional<ObjectSnapshot<O>>` instance and creates views dynamically.
`placeholder`	The view builder that creates a view for `nil` objects.


                    
                    
                    init(_:keyPath:content:)

Creates an instance that creates views for ObjectPublisher changes.

Declaration

Swift

public init(
    _ objectPublisher: ObjectPublisher<Object>?,
    keyPath: KeyPath<ObjectSnapshot<Object>, Value>,
    @ViewBuilder content: @escaping (Value) -> Content
) where Placeholder == EmptyView

Parameters

`objectPublisher`	The `ObjectPublisher` that the `ObjectReader` instance uses to create views dynamically
`keyPath`	A `KeyPath` for a property in the `ObjectSnapshot` whose value will be sent to the views
`content`	The view builder that receives the value from the property `KeyPath` and creates views dynamically.


                    
                    
                    init(_:keyPath:content:placeholder:)

Creates an instance that creates views for ObjectPublisher changes.

Declaration

Swift

public init(
    _ objectPublisher: ObjectPublisher<Object>?,
    keyPath: KeyPath<ObjectSnapshot<Object>, Value>,
    @ViewBuilder content: @escaping (Value) -> Content,
    @ViewBuilder placeholder: @escaping () -> Placeholder
) where Placeholder == EmptyView

Parameters

`objectPublisher`	The `ObjectPublisher` that the `ObjectReader` instance uses to create views dynamically
`keyPath`	A `KeyPath` for a property in the `ObjectSnapshot` whose value will be sent to the views
`content`	The view builder that receives the value from the property `KeyPath` and creates views dynamically.
`placeholder`	The view builder that creates a view for `nil` objects.

View

body
Declaration
Swift

public var body: some View { get }