zhengruifeng commented on code in PR #40297:
URL: https://github.com/apache/spark/pull/40297#discussion_r1133669879
##########
mllib/src/main/scala/org/apache/spark/ml/param/params.scala:
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@@ -44,8 +45,14 @@ import org.apache.spark.ml.util.Identifiable
* See [[ParamValidators]] for factory methods for common
validation functions.
* @tparam T param value type
*/
-class Param[T](val parent: String, val name: String, val doc: String, val
isValid: T => Boolean)
- extends Serializable {
+class Param[T: ClassTag](
Review Comment:
then that is fine
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