What is the proper way to code a read-while loop in Scala?

Question

What is the \"proper\" of writing the standard read-while loop in Scala? By proper I mean written in a Scala-like way as opposed to a Java-like way.

Here is the code I

Answer 1

Based on Rex's post that he mentioned:

Stream.continually(input.read(buffer)).takeWhile(_ != -1).foreach(md.update(buffer, 0, _))

You should replace the var readLen + while {...} lines with it, it produces the same result.

As Rex mentioned, it works with scala 2.8.