[jira] [Created] (SPARK-3285) Using values.sum is easier to understand than using values.foldLeft(0)(_ + _)

["Yadong Qi (JIRA)" <ji...@apache.org>]

Yadong Qi created SPARK-3285:
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             Summary: Using values.sum is easier to understand than using values.foldLeft(0)(_ + _)
                 Key: SPARK-3285
                 URL: https://issues.apache.org/jira/browse/SPARK-3285
             Project: Spark
          Issue Type: Test
          Components: Examples
    Affects Versions: 1.0.2
            Reporter: Yadong Qi


def sumB >: A: B = foldLeft(num.zero)(num.plus)
Using values.sum is easier to understand than using values.foldLeft(0)(_ + ), so we'd better use values.sum instead of values.foldLeft(0)( + _)



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