GitHub user okumin opened a pull request:
https://github.com/apache/flink/pull/5221
[hotfix] [docs] Format Scala programs in docs
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* remove unneeded semi-colons
* add `()` to `print` method
* typically, methods with some side-effects are invoked with `()`
* replace some Java codes in Scala examples into Scala codes
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/okumin/flink format-scala-code
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5221.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 #5221
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commit 96521134a0b0ac2be0b8afc7b1c01a0a0c18fe09
Author: okumin <mail@...>
Date: 2018-01-01T06:25:54Z
Format Scala programs in docs
* remove unneeded semi-colons
* add `()` to `print` method
* typically, methods with some side-effects are invoked with `()`
* replace some Java codes in Scala examples into Scala codes
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