File: t5580b.check

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scala 2.11.8-1
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t5580b.scala:11: error: polymorphic expression cannot be instantiated to expected type;
 found   : [A]scala.collection.mutable.Set[A]
 required: scala.collection.mutable.Map[bar,scala.collection.mutable.Set[bar]]
    if (map.get(tmp).isEmpty) map.put(tmp,collection.mutable.Set())
                                                                ^
one error found