Contents

import scala.collection.immutable.SortedMap

class School {
  type DB = Map[Int, Seq[String]]

  private var _db: DB = Map.empty

  def db: DB = _db

  def add(name: String, g: Int) {
    _db = db.updated(g, grade(g) :+ name)
  }

  def grade(g: Int): Seq[String] = {
    db.getOrElse(g, Vector.empty)
  }

  def sorted: DB = SortedMap(db.toSeq: _*).mapValues(_.sorted)
}

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.179	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.178	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.177	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.176	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.175	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.174	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.173	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.172	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.171	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.170	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.169	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.167	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.166	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.165	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.164	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.163	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.162	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.161	tracks/scala/exercises/grade-school/example.scala
trackler-2.2.1.160	tracks/scala/exercises/grade-school/example.scala