Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/12413#discussion_r59852563 --- Diff: core/src/main/scala/org/apache/spark/api/java/JavaRDDLike.scala --- @@ -131,7 +131,7 @@ trait JavaRDDLike[T, This <: JavaRDDLike[T, This]] extends Serializable { */ def flatMapToDouble(f: DoubleFlatMapFunction[T]): JavaDoubleRDD = { def fn: (T) => Iterator[jl.Double] = (x: T) => f.call(x).asScala - new JavaDoubleRDD(rdd.flatMap(fn).map((x: jl.Double) => x.doubleValue())) + new JavaDoubleRDD(rdd.flatMap(fn).map(x => x.doubleValue())) --- End diff -- Thanks! I just wanted to be a bit careful because it looks it uses a variable name `x` just above and thought the author might intend to want that variable visible, which is pretty trivial. Let me correct this soon!
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