[Haskell-cafe] Mutually recursive modules and google protocol-buffers

Sittampalam, Ganesh ganesh.sittampalam at credit-suisse.com
Wed Jul 16 07:03:07 EDT 2008


Hi,

> module A(A) where
> data A
>   deriving Show

I think you should use "instance Show A" rather than "deriving Show".
All the boot file needs to do is say that the instance exists, not
explain how it is constructed.

Cheers,

Ganesh

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