purescript-0.5.4.1: examples/passing/Rank2Types.purs

module Main where

  import Prelude

  test1 :: (forall a. (a -> a)) -> Number
  test1 = \f -> f 0

  forever :: forall m a b. (forall a b. m a -> (a -> m b) -> m b) -> m a -> m b
  forever = \bind action -> bind action $ \_ -> forever bind action
    
  main = Debug.Trace.trace "Done"