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Diffstat (limited to 'compiler/ghci/ByteCodeGen.hs')
| -rw-r--r-- | compiler/ghci/ByteCodeGen.hs | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/compiler/ghci/ByteCodeGen.hs b/compiler/ghci/ByteCodeGen.hs index c4a08c4e40..33ae172d71 100644 --- a/compiler/ghci/ByteCodeGen.hs +++ b/compiler/ghci/ByteCodeGen.hs @@ -1,4 +1,5 @@ {-# LANGUAGE CPP, MagicHash, RecordWildCards, BangPatterns #-} +{-# LANGUAGE DeriveFunctor #-} {-# LANGUAGE GeneralizedNewtypeDeriving #-} {-# OPTIONS_GHC -fprof-auto-top #-} -- @@ -1861,7 +1862,7 @@ data BcM_State -- See Note [generating code for top-level string literal bindings]. } -newtype BcM r = BcM (BcM_State -> IO (BcM_State, r)) +newtype BcM r = BcM (BcM_State -> IO (BcM_State, r)) deriving (Functor) ioToBc :: IO a -> BcM a ioToBc io = BcM $ \st -> do @@ -1891,9 +1892,6 @@ thenBc_ (BcM expr) (BcM cont) = BcM $ \st0 -> do returnBc :: a -> BcM a returnBc result = BcM $ \st -> (return (st, result)) -instance Functor BcM where - fmap = liftM - instance Applicative BcM where pure = returnBc (<*>) = ap |