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Paul Spooren authored
The `LRANK` command returns the index (position) of a given element within a list. Using the `direction` argument it is possible to specify going from head to tail (acending, 1) or from tail to head (decending, -1). Only the first found index is returend. The complexity is O(N). When using lists as a queue it can be of interest at what position a given element is, for instance to monitor a job processing through a work queue. This came up within the Python `rq` project which is based on Redis[0]. [0]: https://github.com/rq/rq/issues/1197 Signed-off-by:
Paul Spooren <mail@aparcar.org>
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