Scala example source code file (t0301.scala)

This example Scala source code file (t0301.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

analyzer, analyzer, expr, expr, var, var, var,var, var,var

The Scala t0301.scala source code

package fos

abstract class Expr
case class Var extends Expr

object Analyzer {
  def substitution(expr: Expr, cls: (Var,Var)): Expr =
    expr match {
      case cls._2 => cls._1  // source of the error
      case _ => expr
    }
}