State_Compare_Values.swift

import SwiftUI

struct MyData: Equatable {
    static func == (lhs: MyData, rhs: MyData) -> Bool {
        return true
    }
    
    var number: Int
}

struct ContentView: View {
    @State private var myData = MyData(number: 0)
    @State private var trigger: UInt8 = 0
    
    var body: some View {
        Text(trigger.description)
        
        Button(myData.number.description) { 
            myData.number &+= 1
            trigger &+= 1
        }
    }
}