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unit2anyref.scala:2: error: type mismatch;
found : Unit
required: AnyRef
Note that implicit conversions are not applicable because they are ambiguous:
both method orderingToOrdered in object Predef of type [T](x: T)(implicit ord: Ordering[T])Ordered[T]
and method any2stringadd in object Predef of type (x: Any)scala.runtime.StringAdd
are possible conversion functions from Unit to AnyRef
val x: AnyRef = () // this should not succeed.
^
one error found
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