antirez/redis — pull request #2011 by mattsta (2014-09-18 15:30:07+00:00)
Title: Add ZRANK UNIQUE

This is a PR against #943 (which is the functionality sitting in https://github.com/Sylvain-Royer/redis/commits/unique_ties).

These commits are a cleaned up version of the commits from Sylvain-Royer/unique_ties merged into current unstable.

All the tests included with ZRANK UNIQUE pass.