piton4k

def lazyFun(aThing: => Unit) = {
  println("doing a thing")
  aThing
  println("done")
}

// correct
lazyFun(println("a thing"))
// incorrect - compiles thanks to value discard, but doesn't print
lazyFun(() => println("another thing"))

piton4k

import Board._

import scala.annotation.tailrec

case class Position(
  row: Int,
  column: Int
)

sealed trait Player {