implicit conversion

gistfile1.sbt

package scala

object ob {

  class ReversibleString(str: String) {
    def reverseOrder() = {
      var s = ""
      for (c <- str.split("")) {
        s = c + s
      }
      s
    }

    def reverseCases() = {
      var s = ""
      for (c <- str.split("")) {
        if (c.matches("[a-z]")) s += c.toUpperCase
        if (c.matches("[A-Z]")) s += c.toLowerCase
        if (c.matches("[^A-Za-z]")) s += c
      }
      s
    }
  }

  implicit def bindReversibleMethods(str: String) = new ReversibleString(str)

  def main(args: Array[String]) {

    println("AbcDEf123".reverseOrder())
    println("AbcDEf123".reverseCases())


  }

}