Binding+defaultValue

Binding+defaultValue.swift

extension Binding {
    public func defaultValue<T>(_ value: T) -> Binding<T> where Value == Optional<T> {
        Binding<T> {
            wrappedValue ?? value
        } set: {
            wrappedValue = $0
        }
    }
}

struct OptionalView: View {
    @Binding var name: String?
    var body: some View {
        Textfield("Name", text: $name.defaultValue(""))
    }
}