[Haskell-cafe] instance Monad Either?

Eric eeoam at ukfsn.org
Thu Dec 20 16:54:44 EST 2007

Tom Phoenix wrote:
> 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?
It works now. Thanks!


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