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post.scala

// builds an expression like: println(s"$text ${a + (b + 1)}")
  def buildComplexExpression(text: String, a: Int, b: Int) = new ScalaToLanguageBridge[String] {
    override def apply[Wrapper[_]](implicit F: Language[Wrapper]): Wrapper[String] = {
      val addition = F.add(F.number(a), F.increment(F.number(b)))
      F.concat(F.text(text), F.toString(addition))
    }
  }

  val fullExpression = buildComplexExpression("Result is ", 10, 1)