fun main()

in src/main/kotlin/com/uber/nanoscope/Main.kt [328:354]

• 24 lines of code
• 4 McCabe index (conditional complexity)

fun main(args: Array<String>) {
    val subcommandOptions = Subcommand.values().map { it.name.toLowerCase() }
    var usageMessage = "usage: nanoscope $subcommandOptions\n"
    Subcommand.values().forEach {
        usageMessage += "  ${it.usage}\n"
    }

    if (args.isEmpty()) {
        println(usageMessage)
        exitProcess(1)
    }

    val subcommandString = args[0]
    if (subcommandString in listOf("-h", "--help")) {
        println(usageMessage)
        exitProcess(0)
    }

    try {
        Subcommand.valueOf(subcommandString.toUpperCase())
    } catch (e: IllegalArgumentException) {
        println("Subcommand must be one of $subcommandOptions. Found: $subcommandString")
        println()
        println(usageMessage)
        exitProcess(1)
    }.handle(args.drop(1))
}