Edit Question - KnowledgeHub

Title Body

scala> val s: Seq[Class[_ <: java.lang.Enum[_]]] = Seq(classOf[java.util.concurrent.TimeUnit]) s: Seq[Class[_ <: java.lang.Enum[_]]] = List(class java.util.concurrent.TimeUnit) scala> s.flatMap(_.getEnumConstants) <console>:9: error: no type parameters for method flatMap: (f: Class[_ <: java.lang.Enum[_]] => scala.collection.GenTraversableOnce[B])(implicit bf: scala.collection.generic.CanBuildFrom[Seq[Class[_ <: java.lang.Enum[_]]],B,That])That exist so that it can be applied to arguments (Class[_ <: java.lang.Enum[_]] => scala.collection.mutable.ArrayOps[_$1(in value $anonfun) with java.lang.Object] forSome { type _$1(in value $anonfun) <: java.lang.Enum[_] }) --- because --- argument expression's type is not compatible with formal parameter type; found : Class[_ <: java.lang.Enum[_]] => scala.collection.mutable.ArrayOps[_$1(in value $anonfun) with java.lang.Object] forSome { type _$1(in value $anonfun) <: java.lang.Enum[_] } required: Class[_ <: java.lang.Enum[_]] => scala.collection.GenTr... s.flatMap(_.getEnumConstants)

Tags (comma-separated) Cancel