Programming Kotlin

Taking the App for a Drive

Let’s write a main() function to call the getAirportStatus() function with a few different airport codes and print the status of the airports with those codes to the console. Create a file named AirportApp.kt in the directory src/main/kotlin/com/agiledeveloper/ui and key in the following code:

unittest/steps/app/src/main/kotlin/com/agiledeveloper/ui/AirportApp.kt

package com.agiledeveloper.ui

import kotlinx.coroutines.*
import com.agiledeveloper.airportstatus.*

fun main() = runBlocking {
  getAirportStatus(listOf("SFO", "IAD", "IAH", "ORD", "LAX"))
    .forEach { println(it) }
}

Since getAirportStatus() is a function that may be suspended, it can only be called within a coroutine. So ...