From 6957f38010e5edbec26128bd9c28a6120600bd77 Mon Sep 17 00:00:00 2001
From: Takuya UESHIN <ueshin@databricks.com>
Date: Fri, 6 Apr 2018 00:28:32 -0700
Subject: [PATCH] Fix Scala 2.12 build.

---
 .../scala/org/apache/spark/ml/stat/KolmogorovSmirnovTest.scala | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mllib/src/main/scala/org/apache/spark/ml/stat/KolmogorovSmirnovTest.scala b/mllib/src/main/scala/org/apache/spark/ml/stat/KolmogorovSmirnovTest.scala
index 8d80e7768cb6e..c62d7463288f7 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/stat/KolmogorovSmirnovTest.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/stat/KolmogorovSmirnovTest.scala
@@ -83,7 +83,8 @@ object KolmogorovSmirnovTest {
   @Since("2.4.0")
   def test(dataset: DataFrame, sampleCol: String,
     cdf: Function[java.lang.Double, java.lang.Double]): DataFrame = {
-    test(dataset, sampleCol, (x: Double) => cdf.call(x))
+    val f: Double => Double = x => cdf.call(x)
+    test(dataset, sampleCol, f)
   }
 
   /**