Multiplication Table with Scala

multiplication_table.scala

// Taken from the programming in Scala book second edition page 138

// Returns a row as a sequence

def makeRowSeq(row: int) = 
   for (col <- 1 to 10) yield { 
      val prod = (row * col).toString 
      val padding = " " *(4 - prod.length) 
      padding + prod
}
// Returns a row as a string 

def makeRow(row: int) = makeRowSeq(row).mkString

// Returns a table as a string with one row per line

def multiTable () = {
  val tableSeq = // a sequence of row strings
  for (row <- 1 to 10) 
  yield makeRow(row) 
tableSeq.mkString("\n")
}