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no-implicit-to-anyref.scala:11: error: the result type of an implicit conversion must be more specific than AnyRef
1: AnyRef
^
no-implicit-to-anyref.scala:17: error: type mismatch;
found : Any
required: AnyRef
(null: Any): AnyRef
^
no-implicit-to-anyref.scala:21: error: type mismatch;
found : AnyVal
required: AnyRef
(0: AnyVal): AnyRef
^
no-implicit-to-anyref.scala:27: error: type mismatch;
found : Test.AV
required: AnyRef
Note that AV extends Any, not AnyRef.
Such types can participate in value classes, but instances
cannot appear in singleton types or in reference comparisons.
new AV(0): AnyRef
^
four errors found
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