* David Barbour <dmbarb...@gmail.com> [2012-01-21 11:02:40-0800] > On Sat, Jan 21, 2012 at 10:51 AM, David Menendez <d...@zednenem.com> wrote: > > > The Eval monad has the property: return undefined >>= const e = e. > > > > You can't write `const e` in the Eval monad.
Why not? ghci> runEval $ return undefined >>= const (return ()) () -- Roman I. Cheplyaka :: http://ro-che.info/ _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
