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November 18, 2020 16:55
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| {-# LANGUAGE AllowAmbiguousTypes #-} | |
| {-# LANGUAGE FlexibleContexts #-} | |
| {-# LANGUAGE PolyKinds #-} | |
| {-# LANGUAGE TypeFamilies #-} | |
| type family Ambiguous (a :: k) :: b where | |
| Ambiguous x = x | |
| toInteger' :: Integral (Ambiguous a) => Ambiguous a -> Integer | |
| toInteger' = toInteger |
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