Github user hequn8128 commented on a diff in the pull request:
https://github.com/apache/flink/pull/6367#discussion_r203588835
--- Diff: flink-streaming-scala/src/main/scala/org/apache/flink/streaming/api/scala/DataStream.scala
---
@@ -959,6 +959,29 @@ class DataStream[T](stream: JavaStream[T]) {
@PublicEvolving
def printToErr() = stream.printToErr()
+ /**
+ * Writes a DataStream to the standard output stream (stdout). For each
+ * element of the DataStream the result of .toString is
--- End diff --
.toString => [[AnyRef.toString()]]
---
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