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patrickcousins/DiscountCalculator.kt

Created November 3, 2019 03:22
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DiscountCalculator.kt
//all the code below is in the file DiscountCalculator.kt
class DiscountCalculator {
//...
}
private fun Person.over65() : Boolean {
return this.age > 65
}
private fun Person.under13() : Boolean {
return this.age < 13
}
private fun Person.isRich() : Boolean {
return this.income > 1_000_000
}
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