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RouteT: More stack-efficient (*>) #7

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RouteT: More stack-efficient (*>) #7

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5448c8e
Remove noncanonical definitions
rhendric Jun 12, 2025
71f77a8
RouteT: More stack-efficient (*>)
rhendric Jun 12, 2025
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3 changes: 3 additions & 0 deletions Web/Routes/RouteT.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -84,13 +84,16 @@ instance (Functor m) => Functor (RouteT url m) where
instance (Applicative m) => Applicative (RouteT url m) where
pure = liftRouteT . pure
f <*> v = RouteT $ \ url -> unRouteT f url <*> unRouteT v url
f *> v = RouteT $ \ url -> unRouteT f url *> unRouteT v url

instance (Alternative m) => Alternative (RouteT url m) where
empty = liftRouteT empty
m <|> n = RouteT $ \ url -> unRouteT m url <|> unRouteT n url

instance (Monad m) => Monad (RouteT url m) where
#if !MIN_VERSION_base(4,8,0)
return = liftRouteT . return
#endif
m >>= k = RouteT $ \ url -> do
a <- unRouteT m url
unRouteT (k a) url
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