Scala example source code file (caseinherit.check)

This example Scala source code file (caseinherit.check) 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

a, a, b, bippy, case-to-case, case-to-case, dingus, innocent, int, int, you, you

The Scala caseinherit.check source code

caseinherit.scala:2: error: case class `class B' has case ancestor `class A'.  Case-to-case inheritance has potentially dangerous bugs which are unlikely to be fixed.  You are strongly encouraged to instead use extractors to pattern match on non-leaf nodes.
case class B(y: Int) extends A(y)
           ^
caseinherit.scala:3: error: case class `object Bippy' has case ancestor `class A'.  Case-to-case inheritance has potentially dangerous bugs which are unlikely to be fixed.  You are strongly encouraged to instead use extractors to pattern match on non-leaf nodes.
case object Bippy extends A(55)
            ^
caseinherit.scala:6: error: case class `class Dingus' has case ancestor `class A'.  Case-to-case inheritance has potentially dangerous bugs which are unlikely to be fixed.  You are strongly encouraged to instead use extractors to pattern match on non-leaf nodes.
case class Dingus(y: Int) extends Innocent
           ^
three errors found