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t6534.scala:6: error: redefinition of equals method. See SIP-15, criterion 4. is not allowed in value class
class Bippy3(val x: Int) extends AnyVal { override def equals(x: Any) = false } // error
^
t6534.scala:7: error: redefinition of hashCode method. See SIP-15, criterion 4. is not allowed in value class
class Bippy4(val x: Int) extends AnyVal { override def hashCode = -1 } // error
^
t6534.scala:9: error: redefinition of equals method. See SIP-15, criterion 4. is not allowed in value class
case class Bippy6(val x: Int) extends AnyVal { override def productPrefix = "Dingo" ; override def equals(x: Any) = false } // error
^
three errors found
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