map -package:containers -package:insert-ordered-containers -package:ghc -package:dense-linear-algebra -package:amazonka-core -package:monoidal-containers -package:integration -package:base-prelude -package:conduit -package:case-insensitive -package:base-compat-batteries package:charset

map :: (Char -> Char) -> CharSet -> CharSet
charset Data.CharSet