case insensitive string comparison
The module Data.CaseInsensitive provides the CI type constructor
which can be parameterised by a string-like type like: String,
ByteString, Text, etc.. Comparisons of values of the resulting type
will be insensitive to cases.

Maintainer: The OpenBSD ports mailing-list <ports@openbsd.org>

WWW: https://hackage.haskell.org/package/case-insensitive
