Export example

import scala.util.Random

object Main {

  @main def test(): Unit = {
    val printer = Printer()
    val scanner = Scanner()
    val copyMachine = CopyMachine(printer, scanner)
    val file = copyMachine.scanFile()
    copyMachine.printFile(file)
    copyMachine.copy()
    //copyMachine.glitch() - don't compile
  }

  class Printer {

    def printFile(file: String): Unit =
      println(s"Printing $file.")

    def glitch(): Unit =
      println("Glitchy printer")

  }

  class Scanner {

    def scanFile(): String = {
      println("Scanning file")
      Random.nextString(10)
    }

  }

  class CopyMachine(printer: Printer, scanner: Scanner) {
    export printer.{glitch => _, *}
    export scanner.*

    def copy(): Unit = printFile(scanFile())

  }

}