-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 1/5/11 00:08 , Tony Morris wrote:
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
import Prelude hiding (Monad(..), Functor(..)) (...) -- No instance for (GHC.Base.Monad MMaybe)
That's an artifact of hiding Prelude's Monad, not a problem with the proposed implementation. I think you can use RebindableSyntax to tell GHC to use your Monad definition instead of the default? - -- brandon s. allbery [linux,solaris,freebsd,perl] allbery@kf8nh.com system administrator [openafs,heimdal,too many hats] allbery@ece.cmu.edu electrical and computer engineering, carnegie mellon university KF8NH -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk0nqVgACgkQIn7hlCsL25WdsACgzsCHVXmkyej9yynCDzu9oFzQ +RwAn3xG88VpKz3jpc4UW0/Mj1Zct6eR =QAOZ -----END PGP SIGNATURE-----