singletons-2.3: tests/compile-and-dump/Singletons/T166.hs
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DefaultSignatures #-}
{-# LANGUAGE ExistentialQuantification #-}
{-# LANGUAGE KindSignatures #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeFamilies #-}
module SingletonsBug where
import Data.Singletons.TH
import GHC.TypeLits
$(singletonsOnly [d|
class Foo a where
foosPrec :: Nat -> a -> [Bool] -> [Bool]
foo :: a -> [Bool]
foo x s = foosPrec 0 x s
|])