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import PartialFunction.cond
import util._
object Test extends App {
val days = (1 to 12).toList
days map s"On the $_th day of Christmas" foreach println
val rf = (n: Int) => s"\\*{$_}"(n).r
def stars(n: Int)(s: String) = {
val r = rf(n)
cond(s) { case r(_*) => true }
}
Console println stars(5)("*****")
days zip days map s"${_: Int} by ${_: Int}".tupled foreach println
}
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