hw-rankselect-base-0.2.0.0: README.md

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

Rank and select operations.