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22 lines
462 B
Idris
22 lines
462 B
Idris
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import Stuff
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interface Functor f where
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map : (a -> b) -> f a -> f b
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Functor List where
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map f [] = []
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map f (x :: xs) = f x :: map f xs
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data Test : Type -> Type -> Type -> Type where
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MkTest : a -> b -> c -> Test a b c
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Functor (Test c d) where
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map = ?foo
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-- Checking we can cope with the clash between the a,b here and the
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-- a,b in 'map' (the names here get priority, and the ones in map get
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-- renamed)
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Functor (Test a b) where
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map = ?bar
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