Created
November 3, 2019 03:22
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| //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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