Github user advancedxy commented on the pull request:
https://github.com/apache/spark/pull/4002#issuecomment-69860273
@andrewor14 would you mind to take a look again?
```
positions(r.length, numSlices).zipWithIndex.map({ case ((start, end),
index) => // the redundant "({" is necessary, as there is an infix operator
// If the range is inclusive, use inclusive range for the last
slice
if (r.isInclusive && index == numSlices - 1) {
new Range.Inclusive(r.start + start * r.step, r.end, r.step)
}
else {
new Range(r.start + start * r.step, r.start + end * r.step,
r.step)
}
}).toSeq.asInstanceOf[Seq[Seq[T]]] // the toSeq and casting is
necessary, otherwise it won't compile due to type mismatch
```
I update some docs. There may be some wrongly chosen words as I am not a
native speaker. Please correct me if you see any.
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