Deokhwan Kim <[EMAIL PROTECTED]> writes: > Where is the Monad instance declaration of Either e?
It is in Control.Monad.Error as well. Strange: the doc doesn't state it.
I found out in ghci using:
:module +Control.Monad.Error
:info Either
The relevant result is:
instance Error e => Monad (Either e)
-- Imported from Control.Monad.Error
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