dongjoon-hyun commented on a change in pull request #26077:
[SPARK-29413][CORE][FOLLOWUP] A better parmap method signature
URL: https://github.com/apache/spark/pull/26077#discussion_r333274284
##########
File path: core/src/main/scala/org/apache/spark/util/ThreadUtils.scala
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@@ -274,12 +274,19 @@ private[spark] object ThreadUtils {
* @return new collection in which each element was given from the input
collection `in` by
* applying the lambda function `f`.
*/
- def parmap[I, O](in: Seq[I], prefix: String, maxThreads: Int)(f: I => O):
Seq[O] = {
+ def parmap[I, O, Col[X] <: TraversableOnce[X]]
Review comment:
Thank you for the investigation and the conclusion, @zsxwing and @srowen .
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