scala wrapper for hadoop remote iterator

RemoteIteratorWrapper.scala

import org.apache.hadoop.fs.RemoteIterator

/**
  * Converts RemoteIterator from Hadoop to Scala Iterator that provides all the familiar functions such as map,
  * filter, foreach, etc.
  *
  * @param underlying The RemoteIterator that needs to be wrapped
  * @tparam T Items inside the iterator
  * @return Standard Scala Iterator
  */
implicit def convertToScalaIterator[T](underlying: RemoteIterator[T]): Iterator[T] = {
  case class wrapper(underlying: RemoteIterator[T]) extends Iterator[T] {
    override def hasNext = underlying.hasNext

    override def next = underlying.next
  }
  wrapper(underlying)
}