private fun handleSettler(gameMap: GameMap, moveList: ArrayList<Move>) {

        val planetHasNumberOfSettlers = mutableMapOf<Int, Int>()
        
        for (settler in settlers) {
            val closePlanets = someFunc


            if (closePlanets.isEmpty()) {
                ...
            } else {
                val closePlanet = closePlanets[0]

                
                val nrOfSettlers: Int? = if (planetHasNumberOfSettlers.containsKey(closePlanet.id)) {
                    planetHasNumberOfSettlers.get(closePlanet.id)
                } else 0
                        ...

            }
        }
    }