Scala Programming Projects

Loading the file with Source

Our implementation must drop the first line which contains the headers, then for each line, split and create a new instance of EquityData:

package retcalcimport scala.io.Sourcecase class EquityData(monthId: String, value: Double, annualDividend: Double) {  val monthlyDividend: Double = annualDividend / 12}object EquityData {  def fromResource(resource: String): Vector[EquityData] =    Source.fromResource(resource).getLines().drop(1).map { line =>      val fields = line.split("\t")      EquityData(        monthId = fields(0),         value = fields(1).toDouble,         annualDividend = fields(2).toDouble)    }.toVector}

This code is quite compact, and you might lose a sense of what types are returned by intermediate calls. In IntelliJ, you can select ...