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{-# LANGUAGE Haskell2010 #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE TypeFamilies #-}
module Bug where
import Data.Kind
import Data.Proxy (Proxy)
data Delayed (env :: Type) (c :: Type)
data Handler (a :: Type)
data Router (a :: Type)
-- class decl, then type decl
class HasServer api where
type ServerT api (m :: Type -> Type) :: Type
route ::
Proxy api
-> Delayed env (Server api)
-> Router env
hoistServerWithContext
:: Proxy api
-> (forall x. m x -> n x)
-> ServerT api m
-> ServerT api n
type Server aqi = ServerT aqi Handler
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