typecheck-plugin-nat-simple-0.1.0.0: sample/mplus1_nplus1.hs
{-# LANGUAGE DataKinds, TypeOperators #-}
{-# LANGUAGE GADTs #-}
{-# OPTIONS_GHC -Wall -fno-warn-tabs -fplugin=Plugin.TypeCheck.Nat.Simple #-}
-- {-# OPTIONS_GHC -Wall -fno-warn-tabs #-}
import GHC.TypeNats
import Data.Proxy
main :: IO ()
main = print $ foo Proxy
foo :: (m + 1) ~ (n + 1) => Proxy m -> Proxy n
foo = id