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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