Get rid of CPP by restricting the "base" dep

treeowl · Aug 26, 2021 · 2a2739a · 2a2739a
1 parent 18c9745
commit 2a2739a
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Showing 2 changed files with 1 addition and 6 deletions.
diff --git a/library/ListT.hs b/library/ListT.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 module ListT
 (
   ListT(..),
@@ -149,10 +148,6 @@ instance Monad m => Monad (ListT m) where
                 return Nothing
               Just (h1, t1) ->
                 uncons $ k2 h1 <> go t1
-#if !MIN_VERSION_base(4,11,0)
-  fail _ =
-    mempty
-#endif
 
 instance Monad m => MonadFail (ListT m) where
   fail _ =

diff --git a/list-t.cabal b/list-t.cabal
@@ -28,7 +28,7 @@ library
   other-modules:
     ListT.Prelude
   build-depends:
-    base >=4.9 && <5,
+    base >=4.11 && <5,
     foldl >=1 && <2,
     mmorph ==1.*,
     monad-control >=0.3 && <2,