[04/51] [partial] spark-website git commit: Add 2.1.2 docs

http://git-wip-us.apache.org/repos/asf/spark-website/blob/a6155a89/site/docs/2.1.2/api/java/org/apache/spark/api/java/function/Function0.html -- diff --git

[04/51] [partial] spark-website git commit: Add 2.1.2 docs

http://git-wip-us.apache.org/repos/asf/spark-website/blob/a6d9cbde/site/docs/2.1.2/api/java/org/apache/spark/api/java/function/Function0.html -- diff --git

[04/51] [partial] spark-website git commit: Add 2.1.2 docs

http://git-wip-us.apache.org/repos/asf/spark-website/blob/0b563c84/site/docs/2.1.2/api/java/org/apache/spark/api/java/function/Function0.html -- diff --git