Created
May 16, 2020 20:00
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| def orderTotal(shoppingCart: List[Item]): Double = { | |
| import PriceCompanion._ | |
| shoppingCart.foldLeft(0.0) { case (total, item) => | |
| total + implicitly[Price[Item]].price(item) | |
| } | |
| } |
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