Tests with more recent GHC versions

Author: HuwCampbell

.github/workflows/haskell-ci.yml

@@ -28,6 +28,21 @@ jobs:
     strategy:
       matrix:
         include:
+          - compiler: ghc-9.12.2
+            compilerKind: ghc
+            compilerVersion: 9.12.2
+            setup-method: ghcup
+            allow-failure: false
+          - compiler: ghc-9.10.1
+            compilerKind: ghc
+            compilerVersion: 9.10.1
+            setup-method: ghcup
+            allow-failure: false
+          - compiler: ghc-9.8.4
+            compilerKind: ghc
+            compilerVersion: 9.8.4
+            setup-method: ghcup
+            allow-failure: false
           - compiler: ghc-9.6.1
             compilerKind: ghc
             compilerVersion: 9.6.1

optparse-applicative.cabal

@@ -51,6 +51,9 @@ extra-source-files:  CHANGELOG.md
 homepage:            https://github.com/pcapriotti/optparse-applicative
 bug-reports:         https://github.com/pcapriotti/optparse-applicative/issues
 tested-with:
+  GHC==9.12.2
+  GHC==9.10.1
+  GHC==9.8.4
   GHC==9.6.1
   GHC==9.4.4
   GHC==9.2.7

src/Options/Applicative/Common.hs

@@ -182,7 +182,9 @@ searchArg prefs arg =
 
       ArgReader rdr ->
         fmap pure . lift . lift $ runReadM (crReader rdr) arg
-      _ -> mzero
+
+      _ ->
+        mzero
 
   where
     cmdMatches cs