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Category
real language
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Language Kotlin
| Date: | 06/22/12 |
| Author: | Franck Rasolo |
| URL: | http://www.linkedin.com/in/franckrasolo |
| Comments: | 0 |
| Info: | http://www.jetbrains.com/kotlin |
| Score: |  (3.42 in 74 votes) |
fun main(args: Array<String>) = 99 downto 0 map { verse(it) } forEach { println(it) }
fun verse(n: Int) = when (n) {
0 -> """N${n.bottles().substring(1)} of beer on the wall, ${n.bottles()} of beer.
Go to the store and buy some more, ${99.bottles()} of beer on the wall."""
else -> """${n.bottles()} of beer on the wall, ${n.bottles()} of beer.
Take one down and pass it around, ${(n - 1).bottles()} of beer on the wall.
"""
}
fun Int.bottles() = when (this) { 0 -> "no more bottles" 1 -> "1 bottle" else -> "$this bottles" }
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