As of 2023-09-09, haskell/action/setup is no longer maintained, please switch to haskell-actions/setup (note: dash for slash).

The import of ‘Control.Applicative’ is redundant

Pattern synonym with no type signature:

Redundant constraint: Eq a

Pattern match(es) are non-exhaustive

Defined but not used: ‘x’

Pattern match(es) are non-exhaustive

Pattern match(es) are non-exhaustive

The export item ‘NameCacheUpdater(..)’ suggests that

This binding for ‘as’ shadows the existing binding