import scala.tools.nsc.reporters._ import scala.tools.nsc.Settings import reflect.runtime.Mirror.ToolBox object Test extends App { val code = scala.reflect.Code.lift{ 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!)) }; val reporter = new ConsoleReporter(new Settings) val toolbox = new ToolBox(reporter) val ttree = toolbox.typeCheck(code.tree) toolbox.runExpr(ttree) }