Oh, so obvious. That was it, thanks.
On 04/13/2013 12:08 PM, Daniel Trstenjak wrote:
Hi Nathan,
DataAlt c | Right tag <- genDataConTag c -> return $ Cond tag
Are you sure, that genDataConTag always returns a 'Right'?
If it returns a 'Left', than the pattern won't match.
Greetings,
Daniel
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