1 files changed, 0 insertions, 152 deletions
diff --git a/third_party/bazel/rules_haskell/examples/transformers/Data/Functor/Constant.hs b/third_party/bazel/rules_haskell/examples/transformers/Data/Functor/Constant.hs
deleted file mode 100644
index 9c0b8d42dc..0000000000
--- a/third_party/bazel/rules_haskell/examples/transformers/Data/Functor/Constant.hs
+++ /dev/null
@@ -1,152 +0,0 @@
-{-# LANGUAGE CPP #-}
-#if __GLASGOW_HASKELL__ >= 702
-{-# LANGUAGE Safe #-}
-#endif
-#if __GLASGOW_HASKELL__ >= 706
-{-# LANGUAGE PolyKinds #-}
-#endif
-#if __GLASGOW_HASKELL__ >= 710
-{-# LANGUAGE AutoDeriveTypeable #-}
-#endif
------------------------------------------------------------------------------
--- |
--- Module      :  Data.Functor.Constant
--- Copyright   :  (c) Ross Paterson 2010
--- License     :  BSD-style (see the file LICENSE)
---
--- Maintainer  :  R.Paterson@city.ac.uk
--- Stability   :  experimental
--- Portability :  portable
---
--- The constant functor.
------------------------------------------------------------------------------
-
-module Data.Functor.Constant (
-    Constant(..),
-  ) where
-
-import Data.Functor.Classes
-#if MIN_VERSION_base(4,12,0)
-import Data.Functor.Contravariant
-#endif
-
-import Control.Applicative
-import Data.Foldable
-import Data.Monoid (Monoid(..))
-import Data.Traversable (Traversable(traverse))
-#if MIN_VERSION_base(4,8,0)
-import Data.Bifunctor (Bifunctor(..))
-#endif
-#if MIN_VERSION_base(4,9,0)
-import Data.Semigroup (Semigroup(..))
-#endif
-#if MIN_VERSION_base(4,10,0)
-import Data.Bifoldable (Bifoldable(..))
-import Data.Bitraversable (Bitraversable(..))
-#endif
-import Prelude hiding (null, length)
-
--- | Constant functor.
-newtype Constant a b = Constant { getConstant :: a }
-    deriving (Eq, Ord)
-
--- These instances would be equivalent to the derived instances of the
--- newtype if the field were removed.
-
-instance (Read a) => Read (Constant a b) where
-    readsPrec = readsData $
-         readsUnaryWith readsPrec "Constant" Constant
-
-instance (Show a) => Show (Constant a b) where
-    showsPrec d (Constant x) = showsUnaryWith showsPrec "Constant" d x
-
--- Instances of lifted Prelude classes
-
-instance Eq2 Constant where
-    liftEq2 eq _ (Constant x) (Constant y) = eq x y
-    {-# INLINE liftEq2 #-}
-
-instance Ord2 Constant where
-    liftCompare2 comp _ (Constant x) (Constant y) = comp x y
-    {-# INLINE liftCompare2 #-}
-
-instance Read2 Constant where
-    liftReadsPrec2 rp _ _ _ = readsData $
-         readsUnaryWith rp "Constant" Constant
-
-instance Show2 Constant where
-    liftShowsPrec2 sp _ _ _ d (Constant x) = showsUnaryWith sp "Constant" d x
-
-instance (Eq a) => Eq1 (Constant a) where
-    liftEq = liftEq2 (==)
-    {-# INLINE liftEq #-}
-instance (Ord a) => Ord1 (Constant a) where
-    liftCompare = liftCompare2 compare
-    {-# INLINE liftCompare #-}
-instance (Read a) => Read1 (Constant a) where
-    liftReadsPrec = liftReadsPrec2 readsPrec readList
-    {-# INLINE liftReadsPrec #-}
-instance (Show a) => Show1 (Constant a) where
-    liftShowsPrec = liftShowsPrec2 showsPrec showList
-    {-# INLINE liftShowsPrec #-}
-
-instance Functor (Constant a) where
-    fmap _ (Constant x) = Constant x
-    {-# INLINE fmap #-}
-
-instance Foldable (Constant a) where
-    foldMap _ (Constant _) = mempty
-    {-# INLINE foldMap #-}
-#if MIN_VERSION_base(4,8,0)
-    null (Constant _) = True
-    length (Constant _) = 0
-#endif
-
-instance Traversable (Constant a) where
-    traverse _ (Constant x) = pure (Constant x)
-    {-# INLINE traverse #-}
-
-#if MIN_VERSION_base(4,9,0)
-instance (Semigroup a) => Semigroup (Constant a b) where
-    Constant x <> Constant y = Constant (x <> y)
-    {-# INLINE (<>) #-}
-#endif
-
-instance (Monoid a) => Applicative (Constant a) where
-    pure _ = Constant mempty
-    {-# INLINE pure #-}
-    Constant x <*> Constant y = Constant (x `mappend` y)
-    {-# INLINE (<*>) #-}
-
-instance (Monoid a) => Monoid (Constant a b) where
-    mempty = Constant mempty
-    {-# INLINE mempty #-}
-#if !MIN_VERSION_base(4,11,0)
-    -- From base-4.11, Monoid(mappend) defaults to Semigroup((<>))
-    Constant x `mappend` Constant y = Constant (x `mappend` y)
-    {-# INLINE mappend #-}
-#endif
-
-#if MIN_VERSION_base(4,8,0)
-instance Bifunctor Constant where
-    first f (Constant x) = Constant (f x)
-    {-# INLINE first #-}
-    second _ (Constant x) = Constant x
-    {-# INLINE second #-}
-#endif
-
-#if MIN_VERSION_base(4,10,0)
-instance Bifoldable Constant where
-    bifoldMap f _ (Constant a) = f a
-    {-# INLINE bifoldMap #-}
-
-instance Bitraversable Constant where
-    bitraverse f _ (Constant a) = Constant <$> f a
-    {-# INLINE bitraverse #-}
-#endif
-
-#if MIN_VERSION_base(4,12,0)
-instance Contravariant (Constant a) where
-    contramap _ (Constant a) = Constant a
-    {-# INLINE contramap #-}
-#endif