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Add IxMonad and Monad instances for Render #40

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Sep 30, 2020
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Add IxMonad and Monad instances for Render #40

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5 changes: 5 additions & 0 deletions src/React/Basic/Hooks/Internal.purs
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Expand Up @@ -13,6 +13,7 @@ import Prelude hiding (bind)
import Control.Applicative.Indexed (class IxApplicative)
import Control.Apply.Indexed (class IxApply)
import Control.Bind.Indexed (class IxBind, ibind)
import Control.Monad.Indexed (class IxMonad)
import Data.Functor.Indexed (class IxFunctor)
import Data.Newtype (class Newtype)
import Effect (Effect)
Expand Down Expand Up @@ -148,6 +149,8 @@ instance ixApplicativeRender :: IxApplicative Render where
instance ixBindRender :: IxBind Render where
ibind (Render m) f = Render (Prelude.bind m \a -> case f a of Render b -> b)

instance ixMonadRender :: IxMonad Render

-- | Exported for use with qualified-do syntax
bind :: forall a b x y z m. IxBind m => m x y a -> (a -> m y z b) -> m x z b
bind = ibind
Expand All @@ -168,6 +171,8 @@ instance applicativeRender :: TypeEquals x y => Applicative (Render x y) where
instance bindRender :: TypeEquals x y => Bind (Render x y) where
bind (Render m) f = Render (Prelude.bind m \a -> case f a of Render b -> b)

instance monadRender :: TypeEquals x y => Monad (Render x y)

instance semigroupRender :: (TypeEquals x y, Semigroup a) => Semigroup (Render x y a) where
append (Render a) (Render b) = Render (append a b)

Expand Down