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| author | Austin Seipp <austin@well-typed.com> | 2013-09-11 18:46:54 -0500 |
|---|---|---|
| committer | Austin Seipp <austin@well-typed.com> | 2013-09-11 18:47:15 -0500 |
| commit | b20cf4ecbf244f091f4084c11ae2350d248ce6ef (patch) | |
| tree | d595c6c632773bb4110468c23467f0b339096538 /compiler/main/DriverPipeline.hs | |
| parent | 1ef941a82eafb8f22c19e2643685679d2454c24a (diff) | |
| download | haskell-b20cf4ecbf244f091f4084c11ae2350d248ce6ef.tar.gz | |
Fix AMP warnings.
Authored-by: David Luposchainsky <dluposchainsky@gmail.com>
Signed-off-by: Austin Seipp <austin@well-typed.com>
Diffstat (limited to 'compiler/main/DriverPipeline.hs')
| -rw-r--r-- | compiler/main/DriverPipeline.hs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs index 7c5bc90647..a6567c8c39 100644 --- a/compiler/main/DriverPipeline.hs +++ b/compiler/main/DriverPipeline.hs @@ -669,6 +669,13 @@ newtype CompPipeline a = P { unP :: PipeEnv -> PipeState -> IO (PipeState, a) } evalP :: CompPipeline a -> PipeEnv -> PipeState -> IO a evalP f env st = liftM snd $ unP f env st +instance Functor CompPipeline where + fmap = liftM + +instance Applicative CompPipeline where + pure = return + (<*>) = ap + instance Monad CompPipeline where return a = P $ \_env state -> return (state, a) P m >>= k = P $ \env state -> do (state',a) <- m env state |