gistfile1.scala

import java.util.UUID

object Test {
  implicit def columnMap2Map[A, B](map: Map[Array[Byte], Array[Byte]]) = new MapConverter(map)

  class MapConverter(map: Map[Array[Byte], Array[Byte]]) {
    def to[A, B](implicit f: Array[Byte] => A, g: Array[Byte] => B): Map[A, B] = {
      map.foldLeft(Map[A, B]()) { case(map, (k, v)) =>
        val tuple = (k: A, v: B)
        map + tuple
      }
    }
  }

  implicit def byteArray2UUID(bytes: Array[Byte]): UUID = UUID.fromString(new String(bytes))
  implicit def byteArray2Str(bytes: Array[Byte]): String = new String(bytes)
  implicit def string2ByteArray(string: String): Array[Byte] = string.getBytes

  def main(argv: Array[String]) {
    val test = Map[Array[Byte], Array[Byte]]()

    val result = test.to[UUID, String]

    print(result)
  }
}