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import scala.language.{ implicitConversions, postfixOps }
import scala.reflect.runtime.universe._
import scala.tools.reflect.Eval
object Test extends dotty.runtime.LegacyApp {
reify {
def fact(n: Int): BigInt =
if (n == 0) 1 else fact(n-1) * n
class Factorizer(n: Int) {
def ! = fact(n)
}
implicit def int2fact(n: Int) = new Factorizer(n)
println("10! = " + (10!))
}.eval
}
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