[Haskell-cafe] Type System (Was: Currying and Partial Evaluation)

Achim Schneider wrote:

Prelude> let y f = f $ y f Prelude> :t y y :: (b -> b) -> b

Just out of curiosity: Where the heck does 'a' hide? -- (c) this sig last receiving data processing entity. Inspect headers for past copyright information. All rights reserved. Unauthorised copying, hiring, renting, public performance and/or broadcasting of this signature prohibited.