CryptoTrackerContentView.swift

import SwiftUI

struct ContentView: View {
  @StateObject var dataModel = DataModel()
  var body: some View {
    if let tickers = dataModel.tickerData?.tickers
        .sorted(by: { $0.market.name < $1.market.name }) {
      NavigationView {
        List(0..<tickers.count) { index in
          if let ticker = tickers[index] {
            NavigationLink(destination: TickerDetailView(index: index)
                            .environmentObject(dataModel)) {
              Text("""
                  \(ticker.market.name)
                  \(ticker.base.rawValue) \(ticker.target)
                """)
            }
          }
        }
        .navigationTitle("DOGE")
      }
    }
  }
}