src/Ignore/Types.hs: error: No instance for (Semigroup FileIgnoredChecker)

[juhp]

In Stackage Nightly:

Building library for ignore-0.1.1.0..
[1 of 7] Compiling Ignore.Types     ( src/Ignore/Types.hs, dist/build/Ignore/Types.o )

src/Ignore/Types.hs:30:10: error:
    • No instance for (Semigroup FileIgnoredChecker)
        arising from the superclasses of an instance declaration
    • In the instance declaration for ‘Monoid FileIgnoredChecker’
   |
30 | instance Monoid FileIgnoredChecker where
   |          ^^^^^^^^^^^^^^^^^^^^^^^^^