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hw-rankselect-0.0.0.5: README.md

# hw-rankselect
[![0.0-branch](https://circleci.com/gh/haskell-works/hw-rankselect/tree/0.0-branch.svg?style=svg)](https://circleci.com/gh/haskell-works/hw-rankselect/tree/0.0-branch)

Rank and select operations.