Andrew Kryczka 234f33a3f9 allow nullptr Slice only as sentinel ... Summary: Allow `Slice` holding nullptr as a sentinel value but not in comparisons. This new restriction eliminates the need for the manual checks in 39ef900551, while still conforming to glibc's `memcmp` API. Thanks siying for the idea. Users may need to migrate, so mentioned it in HISTORY.md. Closes https://github.com/facebook/rocksdb/pull/2777 Differential Revision: D5686016 Pulled By: ajkr fbshipit-source-id: 03a2ca3fd9a0ebade9d0d5686c81d59a9534f563		2017-08-23 10:56:06 -07:00
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rocksdb	allow nullptr Slice only as sentinel	2017-08-23 10:56:06 -07:00