HLint failed with status: 1. Warning (9), Suggestion (4)

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: haskell/actions/hlint-setup@v2, haskell/actions/hlint-run@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Warning in twoApplicative in module Mod: Redundant <$> ▫︎ Found: "(*) <$> pure 1" ▫︎ Perhaps: "pure ((*) 1)"

Warning in module Data.Automaton.Except: Unused LANGUAGE pragma ▫︎ Found: "{-# LANGUAGE LambdaCase #-}"

Warning in module Data.Automaton.MSF: Unused LANGUAGE pragma ▫︎ Found: "{-# LANGUAGE DeriveFunctor #-}"

Warning in module Data.Automaton.MSF: Unused LANGUAGE pragma ▫︎ Found: "{-# LANGUAGE StandaloneDeriving #-}"

Suggestion in module Data.Automaton.MSF: Redundant $ ▫︎ Found: "runReaderT $ m" ▫︎ Perhaps: "runReaderT m"

Warning in module Data.Automaton.MSF.Trans.Except: Unused LANGUAGE pragma ▫︎ Found: "{-# LANGUAGE LambdaCase #-}"

Warning in switch in module Data.Automaton.MSF.Trans.Except: Eta reduce ▫︎ Found: "switch sf f = catchS ef f" ▫︎ Perhaps: "switch sf = catchS ef"

Warning in dSwitch in module Data.Automaton.MSF.Trans.Except: Eta reduce ▫︎ Found: "dSwitch sf f = catchS ef f" ▫︎ Perhaps: "dSwitch sf = catchS ef"

Suggestion in runReaderS_ in module Data.Automaton.MSF.Trans.Reader: Use tuple-section ▫︎ Found: "\\ a -> (s, a)" ▫︎ Perhaps: "(s,)" ▫︎ Note: may require `{-# LANGUAGE TupleSections #-}` adding to the top of the file