Hmm... I think I may be using a different version of transformers than
you.. I modified jhc to not rely on any particular monad Either
instance, will post the fix to the repo shortly.
John
On Sun, Jan 29, 2012 at 2:41 AM, wren ng thornton
Hello,
I just tried building 0.7.8 today and got this error:
src/Util/ContextMonad.hs:15:9: Overlapping instances for Error [String] arising from the superclasses of an instance declaration at src/Util/ContextMonad.hs:15:9-45 Matching instances: instance (transformers-0.2.1.0:Control.Monad.Trans.Error.ErrorList a) => Error [a] -- Defined in transformers-0.2.1.0:Control.Monad.Trans.Error instance [overlap ok] Error [String] -- Defined at src/Util/ContextMonad.hs:10:9-22 In the instance declaration for `ContextMonad String (Either [String])'
Let me know if you need any more info.
-- Live well, ~wren
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