HigherOrder.hs

{-@ LIQUID "--expect-any-error" @-}
{-@ LIQUID "--higherorder" @-}
module HigherOrder where


{-@ foo :: a: Int -> f: (Int -> Int) -> {v : Int | v = 123 + (f a) } @-}
foo :: Int -> (Int -> Int) -> Int
foo a f = f a