ad-4.4: .hlint.yaml

- arguments: [--cpp-define=HLINT, --cpp-ansi, --cpp-include=include]

- fixity: "infixr 8 **!, <**>"
- fixity: "infixl 7 *!, /!, ^*, *^, ^/"
- fixity: "infixl 6 +!, -!, <+>"
- fixity: "infix  4 ==!"
- fixity: "infixl 3 :-"

# this doesn't work well with Rank2Types
- ignore: {name: Eta reduce}