Created
October 13, 2019 14:01
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Chasse 2019
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| val MeatPrice = 137.25D | |
| val HipsterMarketPrice = 14.9D | |
| val MigrosBecauseHipsterMarketDidntHaveEverything = 56.45D | |
| val RedWineTwoBottlePrice = 33D | |
| val ChanterellesAightss = 14D | |
| sealed class Human(val alreadyPaid: Double) | |
| object Human { | |
| val values = Set(Fouki, Tristan, Gaspard, Fred, Yoann, Audrey, Ariane) | |
| case object Fouki extends Human(0D) | |
| case object Tristan extends Human(MigrosBecauseHipsterMarketDidntHaveEverything) | |
| case object Gaspard extends Human(0D) | |
| case object Fred extends Human(MeatPrice) | |
| case object Yoann extends Human(0D) | |
| case object Audrey extends Human(RedWineTwoBottlePrice + ChanterellesAightss + HipsterMarketPrice) | |
| case object Ariane extends Human(0D) | |
| } | |
| import Human._ | |
| val totalPaid = HipsterMarketPrice + MigrosBecauseHipsterMarketDidntHaveEverything + RedWineTwoBottlePrice + MeatPrice + ChanterellesAightss | |
| val pricePerHuman = totalPaid / values.size | |
| val deltas = values.map { participant => | |
| val personalBalance = pricePerHuman - participant.alreadyPaid | |
| val verbToUse = if (personalBalance > 0D) "must pay" else "is owed" | |
| println(f"$participant $verbToUse ${Math.abs(personalBalance)}%.2f CHF.") | |
| personalBalance | |
| } | |
| require(deltas.sum < 0.001, "Depbts and credits must amount to 0 (or close to it because of floating point precision)!") |
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