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anyval-anyref-parent.scala:2: error: only classes (not traits) are allowed to extend AnyVal
trait Foo2 extends AnyVal // fail
^
anyval-anyref-parent.scala:5: error: Any does not have a constructor
class Bar1 extends Any // fail
^
anyval-anyref-parent.scala:6: error: value class parameter must be a val and not be private[this]
class Bar2(x: Int) extends AnyVal // fail
^
anyval-anyref-parent.scala:10: error: illegal inheritance; superclass Any
is not a subclass of the superclass Object
of the mixin trait Immutable
trait Foo4 extends Any with Immutable // fail
^
anyval-anyref-parent.scala:11: error: illegal inheritance; superclass AnyVal
is not a subclass of the superclass Object
of the mixin trait Immutable
trait Foo5 extends AnyVal with Immutable // fail
^
anyval-anyref-parent.scala:11: error: only classes (not traits) are allowed to extend AnyVal
trait Foo5 extends AnyVal with Immutable // fail
^
6 errors found
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