Example.scala

object Example {
  val seq = Seq(1, 2, 3)
  
  ///////////
  // RIGHT //
  ///////////
  
  // You can either use parens:
  val parens: Seq[Double] = seq.map(value => value + 1).map(value => value / 1.0)
  // Or braces, which can look nicer for multi-line expressions:
  val braces: Seq[Double] = seq.map { value =>
    value + 1
  }.map { value =>
    value / 1.0
  }
  
  ///////////
  // WRONG //
  ///////////
  
  // Don't infix (call without a `.`).
  val infix: Seq[Double] = seq map { value =>
    value + 1
  } map { value =>
    value / 1.0
  }
}