scala> :power
Power mode enabled. :phase is at typer.
import scala.tools.nsc._, intp.global._, definitions._
Try :help or completions for vals._ and power._

scala> 

scala> AnyRefClass.tpe eq AnyRefClass.typeConstructor
res0: Boolean = true

scala> AnyRefClass.tpe eq AnyRefClass.typeConstructor
res1: Boolean = true

scala> :quit