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authoraarne <aarne@cs.chalmers.se>2008-05-21 09:26:44 +0000
committeraarne <aarne@cs.chalmers.se>2008-05-21 09:26:44 +0000
commit055c0d0d5a5bb0dc75904fe53df7f2e4f5732a8f (patch)
tree0e63fb68c69c8f6ad0f78893c63420f0a3600e1c /src-2.9/GF/GFCC/ComposOp.hs
parent915a1de71783ab8446b1af9e72c7ba7dfbc12d3f (diff)
GF/src is now for 2.9, and the new sources are in src-3.0 - keep it this way until the release of GF 3
Diffstat (limited to 'src-2.9/GF/GFCC/ComposOp.hs')
-rw-r--r--src-2.9/GF/GFCC/ComposOp.hs30
1 files changed, 0 insertions, 30 deletions
diff --git a/src-2.9/GF/GFCC/ComposOp.hs b/src-2.9/GF/GFCC/ComposOp.hs
deleted file mode 100644
index de2522bc7..000000000
--- a/src-2.9/GF/GFCC/ComposOp.hs
+++ /dev/null
@@ -1,30 +0,0 @@
-{-# OPTIONS_GHC -fglasgow-exts #-}
-module GF.GFCC.ComposOp (Compos(..),composOp,composOpM,composOpM_,composOpMonoid,
- composOpMPlus,composOpFold) where
-
-import Control.Monad.Identity
-import Data.Monoid
-
-class Compos t where
- compos :: (forall a. a -> m a) -> (forall a b. m (a -> b) -> m a -> m b)
- -> (forall a. t a -> m (t a)) -> t c -> m (t c)
-
-composOp :: Compos t => (forall a. t a -> t a) -> t c -> t c
-composOp f = runIdentity . composOpM (Identity . f)
-
-composOpM :: (Compos t, Monad m) => (forall a. t a -> m (t a)) -> t c -> m (t c)
-composOpM = compos return ap
-
-composOpM_ :: (Compos t, Monad m) => (forall a. t a -> m ()) -> t c -> m ()
-composOpM_ = composOpFold (return ()) (>>)
-
-composOpMonoid :: (Compos t, Monoid m) => (forall a. t a -> m) -> t c -> m
-composOpMonoid = composOpFold mempty mappend
-
-composOpMPlus :: (Compos t, MonadPlus m) => (forall a. t a -> m b) -> t c -> m b
-composOpMPlus = composOpFold mzero mplus
-
-composOpFold :: Compos t => b -> (b -> b -> b) -> (forall a. t a -> b) -> t c -> b
-composOpFold z c f = unC . compos (\_ -> C z) (\(C x) (C y) -> C (c x y)) (C . f)
-
-newtype C b a = C { unC :: b }