Github user markhamstra commented on a diff in the pull request:
https://github.com/apache/spark/pull/410#discussion_r11621180
--- Diff: core/src/main/scala/org/apache/spark/Partitioner.scala ---
@@ -89,12 +89,14 @@ class HashPartitioner(partitions: Int) extends
Partitioner {
* A [[org.apache.spark.Partitioner]] that partitions sortable records by
range into roughly
* equal ranges. The ranges are determined by sampling the content of the
RDD passed in.
*/
-class RangePartitioner[K <% Ordered[K]: ClassTag, V](
+class RangePartitioner[K : Ordering : ClassTag, V](
--- End diff --
Yes, when de-sugared there is an implicit Ordering -- that's why Michael
can recover and bind it explicitly at line 98.
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