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Define an Effect instance for Parse.

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Rob Rix 2019-09-30 14:27:31 -04:00
parent fca3027fc7
commit bba02fe178
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src/Semantic/Parse.hs
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@ -14,3 +14,6 @@ deriving instance Functor m => Functor (Parse m)
instance HFunctor Parse where instance HFunctor Parse where
hmap f (Parse parser blob k) = Parse parser blob (f . k) hmap f (Parse parser blob k) = Parse parser blob (f . k)
instance Effect Parse where
handle state handler (Parse parser blob k) = Parse parser blob (handler . (<$ state) . k)