GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/11637
[SPARK-3854] Scala style: require spaces before `{`.
## What changes were proposed in this pull request?
Since the opening curly brace, '{', has many usages as discussed in
[SPARK-3854](https://issues.apache.org/jira/browse/SPARK-3854), this PR adds a
ScalaStyle rule to prevent '){' pattern for the following majority pattern and
fixes the code accordingly. If we enforce this in ScalaStyle from now, it will
improve the Scala code quality and reduce review time.
```
// Correct:
if (true) {
println("Wow!")
}
// Incorrect:
if (true){
println("Wow!")
}
```
## How was this patch tested?
Pass the Jenkins ScalaStyle test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjoon-hyun/spark SPARK-3854
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11637.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #11637
----
commit a6eef3b9fe0fd72b98b47f163aa61259b61e7e29
Author: Dongjoon Hyun <dongj...@apache.org>
Date: 2016-03-10T18:48:31Z
[SPARK-3854] Scala style: require spaces before `{`.
----
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