Daniel Wagner dmwit
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/ stdin.txt
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December 16, 2015 03:09
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| {-# LANGUAGE TypeFamilies #-} | |
| type family StateFor a | |
| type instance StateFor Integer = () | |
| type instance StateFor (a, b) = (StateFor a, StateFor b) | |
| type instance StateFor [a] = (Integer, [StateFor a]) | |
| class ReadObj a where | |
| readObj :: StateFor a -> [[String]] -> (a, [[String]]) |