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On 10/31/09, Heinrich Apfelmus wrote:
The only possible monad instance would be return x = Const mempty fmap f (Const b) = Const b join (Const b) = Const b
The only possible monad instance would be
return x = Const mempty fmap f (Const b) = Const b join (Const b) = Const b
Your join doesn't seem to have the right type... Unless I'm missing something. Bob
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