gistfile1.txt

import SwiftUI

// Demonstrates issue when assigning `@State` values in the initialiser

struct ContentView: View {
    @State var string: String = "Initial" // default initialise the value

    init(string: String) {
        self.string = string // assign it again with value `string`
        // We expect that `self.string` has been assigned the value `string`.
        // However, due to how SwiftUI manages the state store, this is not always the case!
        print("init: \(string), self.string: \(self.string)")        
    }

    var body: some View {
        return Text(string)
    }
}

import PlaygroundSupport

// We expect that the view renders "Hello World!", but it renders "Initial"
PlaygroundPage.current.setLiveView(ContentView(string: "Hello World!"))