Identifiable conformance backed by a Self.self expression.

self_self_alert_data.swift

import Foundation
import SwiftUI

struct AlertData: Identifiable {
	let id = String(describing: Self.self)
	var message: String
}

struct ScratchView: View {
	var body: some View {
		Circle() // For sake of example.
			.alert(item: .constant(AlertData(message: "Hi!"))) { alertData in
				Alert(title: Text(alertData.message))
			}
	}
}