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| author | Herbert Valerio Riedel <hvr@gnu.org> | 2015-12-31 16:42:38 +0100 |
|---|---|---|
| committer | Herbert Valerio Riedel <hvr@gnu.org> | 2015-12-31 22:38:52 +0100 |
| commit | 3c8cb7f43c89e9a2b754adc5e639985f0b95b1f1 (patch) | |
| tree | 7c027a215ed2b15fd66ce99ca533cc9348df745e /compiler/prelude/PrelRules.hs | |
| parent | 2f923ce2ab8bad6d01645c735c81bbf1b9ff1e05 (diff) | |
| download | haskell-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/prelude/PrelRules.hs')
| -rw-r--r-- | compiler/prelude/PrelRules.hs | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/compiler/prelude/PrelRules.hs b/compiler/prelude/PrelRules.hs index 49cfa982fb..2a174b13fc 100644 --- a/compiler/prelude/PrelRules.hs +++ b/compiler/prelude/PrelRules.hs @@ -645,7 +645,6 @@ instance Applicative RuleM where (<*>) = ap instance Monad RuleM where - return = pure RuleM f >>= g = RuleM $ \dflags iu e -> case f dflags iu e of Nothing -> Nothing Just r -> runRuleM (g r) dflags iu e |