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Created July 14, 2022 19:09
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//> using scala "2"
case class UnsafeOrderLine(product: String, quantity: Int)
object UnsafeOrderLine {
def safeApply(product: String, quantity: Int): UnsafeOrderLine = {
if (product.isEmpty())
throw new RuntimeException("Product is empty")
else if (quantity <= 0)
throw new RuntimeException("Quantity lower than 1")
UnsafeOrderLine(product, quantity)
// Works fine!
println(UnsafeOrderLine.safeApply("123", 10))
// Throws runtime exception 👇
UnsafeOrderLine.safeApply("", 10)
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