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Update Context eval instance to use yield

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Timothy Clem 2017-11-28 11:13:34 -08:00
parent b821c4009c
commit e65686463a
1 changed files with 4 additions and 2 deletions
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6
src/Data/Syntax.hs
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@ -206,7 +206,9 @@ instance Diffable Context where
instance Eq1 Context where liftEq = genericLiftEq
instance Ord1 Context where liftCompare = genericLiftCompare
instance Show1 Context where liftShowsPrec = genericLiftShowsPrec
instance (Monad m) => Eval l (Value s a l) m s a Context where
eval ev Context{..} = ev contextSubject
eval ev yield Context{..} = ev pure contextSubject >>= yield
instance (Monad m) => Eval l Type m s a Context where
eval ev Context{..} = ev contextSubject
eval ev yield Context{..} = ev pure contextSubject >>= yield