Review: better readability

Co-authored-by: Mateusz Galazyn <[email protected]>
IntersectMBO · Oct 27, 2023 · 0f3e1cb · 0f3e1cb
1 parent 49c71f2
commit 0f3e1cb
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/cardano-cli/src/Cardano/CLI/EraBased/Options/Governance/Actions.hs b/cardano-cli/src/Cardano/CLI/EraBased/Options/Governance/Actions.hs
@@ -210,10 +210,10 @@ pUpdateProtocolParametersCmd =
 -- | Cost models only makes sense in eras from Alonzo onwards. For earlier
 -- eras, this parser doesn't show up in the command line and returns 'Nothing'.
 pCostModelsFile :: ShelleyBasedEra era -> Parser (Maybe (Cmd.CostModelsFile era))
-pCostModelsFile =
-  caseShelleyToMaryOrAlonzoEraOnwards
-    (const $ pure Nothing)
-    (\alonzoOnwards -> fmap (fmap $ Cmd.CostModelsFile alonzoOnwards . File) . optional $ pCostModels (Just "new"))
+pCostModelsFile sbe =
+  forEraInEon sbe (pure Nothing) $ \alonzoOnwards -> do
+    file <- optional $ pCostModels (Just "new")
+    pure $ Cmd.CostModelsFile alonzoOnwards . File <$> file
 
 pGovernanceActionProtocolParametersUpdateCmd :: ()
   => CardanoEra era