Example

import ObservationBP
import SwiftUI
@Observable final class Person {
 var name: String
 var age: Int
 init(name: String, age: Int) {
 self.name = name
 self.age = age
 }
}
struct ContentView: View {
 @Observing @State var person: Person = Person(name: "name", age: 1)
 var body: some View {
 VStack {
 PersonNameView(person: person)
 PersonAgeView(person: person)
 }
 }
}
private struct PersonNameView: View {
 @Observing var person: Person
 var body: some View {
 Text(person.name)
 .foregroundColor(Color(
 red: .random(in: 0 ... 1),
 green: .random(in: 0 ... 1),
 blue: .random(in: 0 ... 1)
 ))
 }
}
private struct PersonAgeView: View {
 @Observing var person: Person
 var body: some View {
 Text("age \(person.age)")
 .foregroundColor(Color(
 red: .random(in: 0 ... 1),
 green: .random(in: 0 ... 1),
 blue: .random(in: 0 ... 1)
 ))
 }
}

Installation

Based on

Improvement

Usage