cabal setup: add ConstraintKinds

smelc · smelc · commit e19fc9cba9e6 · 2024-10-17T12:12:01.000+02:00
diff --git a/tn-fp-course.cabal b/tn-fp-course.cabal
@@ -37,7 +37,8 @@ common common-all
                        -Wno-unused-imports
                        -Werror
                        -Wwarn=missing-home-modules
-     default-extensions: DataKinds
+     default-extensions: ConstraintKinds
+                         DataKinds
                          DeriveGeneric
                          DeriveFunctor
                          DuplicateRecordFields
