macrame | Macrame provides macro-based replacements | Reflection library

// In file User.scala
case class User(name : String, password : String)
// In file Admin.scala
case class Admin(@delegate underlying : User, privileges : List[Board])
abstract class Admin2 {
  @delegate
  def underlying : User
  def privileges : List  

@enum class Color {
   Red
   Blue
   Yellow
}
object Color {
   def asString(color : Color) = asStringImpl(color)
   // Replicating Enumeration's partial String→Enumeration.Value conversion.
   def withName(s : String) = fromStringImpl(s)
      .get  

@enum class Color {
   Red
   Blue
   Yellow
}
// Expands to:
sealed abstract class Color extends Product with Serializable
object Color extends EnumApi[Color] {
   case object Red extends Color
   case object Blue extends Color
   case object Yellow