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authorSimon Hengel <sol@typeful.net>2012-10-14 00:21:07 +0200
committerSimon Hengel <sol@typeful.net>2012-10-14 00:21:07 +0200
commit80666e9b384277eb208fa99476634ee1559b3a7c (patch)
tree823cd4097cd9c5fd3bfe87abc0fd75dfb068af4f /src/Haddock/Interface/Rename.hs
parent401dd8302ddc3c1716762278f2d23fd354e1d1d4 (diff)
Simplify RnM type
Diffstat (limited to 'src/Haddock/Interface/Rename.hs')
-rw-r--r--src/Haddock/Interface/Rename.hs19
1 files changed, 9 insertions, 10 deletions
diff --git a/src/Haddock/Interface/Rename.hs b/src/Haddock/Interface/Rename.hs
index 358fb964..792e571a 100644
--- a/src/Haddock/Interface/Rename.hs
+++ b/src/Haddock/Interface/Rename.hs
@@ -82,33 +82,32 @@ renameInterface dflags renamingEnv warnings iface =
--------------------------------------------------------------------------------
-newtype GenRnM n a =
- RnM { unRn :: (n -> (Bool, DocName)) -- name lookup function
- -> (a,[n])
+newtype RnM a =
+ RnM { unRn :: (Name -> (Bool, DocName)) -- name lookup function
+ -> (a,[Name])
}
-type RnM a = GenRnM Name a
-
-instance Monad (GenRnM n) where
+instance Monad RnM where
(>>=) = thenRn
return = returnRn
-instance Functor (GenRnM n) where
+instance Functor RnM where
fmap f x = do a <- x; return (f a)
-instance Applicative (GenRnM n) where
+instance Applicative RnM where
pure = return
(<*>) = ap
-returnRn :: a -> GenRnM n a
+returnRn :: a -> RnM a
returnRn a = RnM (const (a,[]))
-thenRn :: GenRnM n a -> (a -> GenRnM n b) -> GenRnM n b
+thenRn :: RnM a -> (a -> RnM b) -> RnM b
m `thenRn` k = RnM (\lkp -> case unRn m lkp of
(a,out1) -> case unRn (k a) lkp of
(b,out2) -> (b,out1++out2))
getLookupRn :: RnM (Name -> (Bool, DocName))
getLookupRn = RnM (\lkp -> (lkp,[]))
+
outRn :: Name -> RnM ()
outRn name = RnM (const ((),[name]))