Follow hlint suggestion: Use infix for notElem

Author: philderbeast

Cabal/src/Distribution/Simple/Configure.hs

@@ -711,7 +711,7 @@ computeLocalBuildConfig cfg comp programDb = do
             -- rely on them. By the time that bug was fixed, ghci had
             -- been changed to read shared libraries instead of archive
             -- files (see next code block).
-            notElem (GHC.compilerBuildWay comp) [DynWay, ProfDynWay]
+            GHC.compilerBuildWay comp `notElem` [DynWay, ProfDynWay]
           CompilerId GHCJS _ ->
             not (GHCJS.isDynamic comp)
           _ -> False

Cabal/src/Distribution/Simple/LocalBuildInfo.hs

@@ -320,7 +320,7 @@ depLibraryPaths
     -- because you never have any internal libraries in this case;
     -- they're all external.
     let external_ipkgs = filter is_external (allPackages installed)
-        is_external ipkg = notElem (installedUnitId ipkg) internalDeps
+        is_external ipkg = installedUnitId ipkg `notElem` internalDeps
         -- First look for dynamic libraries in `dynamic-library-dirs`, and use
         -- `library-dirs` as a fall back.
         getDynDir pkg = case Installed.libraryDynDirs pkg of

cabal-install/src/Distribution/Client/CmdInstall.hs

@@ -331,7 +331,7 @@ installCommand =
     }
   where
     -- install doesn't take installDirs flags, since it always installs into the store in a fixed way.
-    notInstallDirOpt x = notElem (optionName x) installDirOptNames
+    notInstallDirOpt x = optionName x `notElem` installDirOptNames
     installDirOptNames = map optionName installDirsOptions
 
 -- | The @install@ command actually serves four different needs. It installs:

cabal-install/src/Distribution/Client/CmdUpdate.hs

@@ -179,7 +179,7 @@ updateAction flags@NixStyleFlags{..} extraArgs globalFlags = do
       unless (null updateRepoRequests) $ do
         let remoteRepoNames = map repoName repos
             unknownRepos =
-              [ r | (UpdateRequest r _) <- updateRepoRequests, notElem r remoteRepoNames
+              [ r | (UpdateRequest r _) <- updateRepoRequests, r `notElem` remoteRepoNames
               ]
         unless (null unknownRepos) $
           dieWithException verbosity $

cabal-install/src/Distribution/Client/Install.hs

@@ -782,7 +782,7 @@ checkPrintPlan
     -- likely to be broken. We exclude packages that are already broken.
     let newBrokenPkgs =
           filter
-            (\p -> notElem (Installed.installedUnitId p) excluded)
+            (\p -> Installed.installedUnitId p `notElem` excluded)
             (PackageIndex.reverseDependencyClosure installed reinstalledPkgs)
     let containsReinstalls = not (null reinstalledPkgs)
     let breaksPkgs = not (null newBrokenPkgs)