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michaeldiamant/gist:3849665

Created October 7, 2012 21:31
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Represent a price with a case class
Raw
gistfile1.scala
case class UsdPrice(value: BigDecimal) {
def +(p: UsdPrice) = UsdPrice(value + p.value)
def -(p: UsdPrice) = UsdPrice(value - p.value)
}
case class EurPrice(value: BigDecimal) {
def +(p: EurPrice) = EurPrice(value + p.value)
def -(p: EurPrice) = EurPrice(value - p.value)
}
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