Fix NPE in PagedSeq.slice at end of seq #4758
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See scala/scala-parser-combinators#70 Basically the same thing as SI-6615, including the fact everything works okay if the PagedSeq is printed before calling slice. It might seem strange that this allows taking slices that start beyond the end, but - this was possible anyway if one forced the entire sequence, and - it is reasonable to be able to take a slice at the very end (not beyond it) and get an empty sequence, which is exactly what StreamReader in scala-parser-combinators does and gets an NPE.
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Already reviewed in #4753 |
SethTisue
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Sep 21, 2015
Fix NPE in PagedSeq.slice at end of seq
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See scala/scala-parser-combinators#70
Basically the same thing as SI-6615, including the fact everything
works okay if the PagedSeq is printed before calling slice.
It might seem strange that this allows taking slices that start beyond
the end, but
beyond it) and get an empty sequence, which is exactly what
StreamReader in scala-parser-combinators does and gets an NPE.