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authorHerbert Valerio Riedel <hvr@gnu.org>2015-12-31 16:42:38 +0100
committerHerbert Valerio Riedel <hvr@gnu.org>2015-12-31 22:38:52 +0100
commit3c8cb7f43c89e9a2b754adc5e639985f0b95b1f1 (patch)
tree7c027a215ed2b15fd66ce99ca533cc9348df745e /compiler/nativeGen/RegAlloc/Linear/State.hs
parent2f923ce2ab8bad6d01645c735c81bbf1b9ff1e05 (diff)
downloadhaskell-3c8cb7f43c89e9a2b754adc5e639985f0b95b1f1.tar.gz
Remove some redundant definitions/constraints
Starting with GHC 7.10 and base-4.8, `Monad` implies `Applicative`, which allows to simplify some definitions to exploit the superclass relationship. This a first refactoring to that end.
Diffstat (limited to 'compiler/nativeGen/RegAlloc/Linear/State.hs')
-rw-r--r--compiler/nativeGen/RegAlloc/Linear/State.hs1
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/nativeGen/RegAlloc/Linear/State.hs b/compiler/nativeGen/RegAlloc/Linear/State.hs
index e407a80fe1..8b17d3ab88 100644
--- a/compiler/nativeGen/RegAlloc/Linear/State.hs
+++ b/compiler/nativeGen/RegAlloc/Linear/State.hs
@@ -57,7 +57,6 @@ instance Applicative (RegM freeRegs) where
instance Monad (RegM freeRegs) where
m >>= k = RegM $ \s -> case unReg m s of { (# s, a #) -> unReg (k a) s }
- return = pure
instance HasDynFlags (RegM a) where
getDynFlags = RegM $ \s -> (# s, ra_DynFlags s #)