gistfile1.txt

implicit class RichString(s: String) extends RandomAccessSeq[Char] {
  def apply(x: Int) = s.charAt(x); 
  // whatever
 
  var foo = 3;
  def twiddle = { foo += 1; foo }
}

yields


class RichString(s: String) extends RandomAccessSeq[Char] {
  def apply(x: Int) = RichString.static$.apply(s,x);

  // no forwarding for vars, or methods that reference them
  var foo = 3;
  def twiddle = { foo += 1; foo }
}

object RichString {
  implicit def conversion(s: String) = new RichString(s);

  private object static$ {
    def apply(s: String, x: Int) = s.charAt(i);
  }
}