Seven Languages in Seven Weeks: Scala, Day 2

Censor.scala

import collection.mutable.HashMap

trait Censor {
  val curseWords = new HashMap[String, String]()

  io.Source.fromFile("censor.txt").getLines().foreach { (line) =>
    val parts = line.split(": ")
    curseWords += parts(0) -> parts(1)
  }

  def censor(s: String) = curseWords.foldLeft(s)((prev, curr) => prev.replaceAll(curr._1, curr._2))
}

class Text(s: String) extends Censor {
  def value = s

  def censoredValue = censor(s)
}

val text = new Text("Shoot, I forgot my Darn traits again")
println("Original String: " + text.value)
println("Censored String: " + text.censoredValue)

censor.txt

Shoot: Pucky
Darn: Beans

SumStrings.scala

val list = List("foo", "bar", "blah")
val totalLength = list.foldLeft(0)(_ + _.length)
println("The total length of " + list + " is " + totalLength)

See Seven Languages in Seven Weeks: Scala, Day 2 for more info.