Object.tap for Scala?

Tapper.scala

object Tapper {
  implicit def anyToTapper[A](obj: A) = new Tapper(obj)
}

class Tapper[A](obj: A) {
  def tap(code: A => Unit): A = {
    code(obj)
    obj
  }
}

Xample.scala

import Tapper._

createMock(classOf[CurrencyService]).tap { service => 
  expect(service.getCurrencySymbol(utilityAccount)).andReturn("$")
  replay(service)
}