[Haskell-cafe] instance Monad Either?

Tom Phoenix rootbeer at redcat.com
Thu Dec 20 16:41:33 EST 2007

On 12/20/07, Eric <eeoam at ukfsn.org> wrote:

> According to this
> <http://www.randomhacks.net/articles/2007/03/10/haskell-8-ways-to-report-errors>
> Either is an instance of class Monad, but when I try to use the do
> notation I get a compiler error. What's going on?

Near the bottom of that page is a comment by Luis Cabellos. Does that
comment bring you any closer to enlightenment?


--Tom Phoenix

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