map -package:vector -package:dense-linear-algebra -package:bytestring -package:incipit-base -package:charset -package:hedgehog -package:foldl -package:base-compat -package:base-compat-batteries -is:exact package:case-insensitive

map :: FoldCase s2 => (s1 -> s2) -> CI s1 -> CI s2
case-insensitive Data.CaseInsensitive
Transform the original string-like value but keep it case insensitive.