implicit def trailingConditionals[T](any: => T) = new {
  def provided(expr: Boolean) = if (expr) Some(any) else None
  def unless(expr: Boolean) = if (!expr) Some(any) else None
}

implicit def verbosePlus(i: Int) = new {
  def plus(j: Int): Int = {
    println("Adding " + i + " and " + j);
    i + j
  }
}