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10 lines
337 B
Plaintext
10 lines
337 B
Plaintext
import nat
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data Array : Type -> Nat -> Type where
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Empty : (A:Type) -> Array A Zero
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Cell : (A:Type) -> (n:Nat) -> A -> Array A n -> Array A (Succ n)
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mapA : (A:Type) -> (B:Type) -> (n:Nat) -> (A -> B) -> Array A n -> Array B n
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mapA A B _ f (Empty _) = Empty B
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mapA A B (Succ n) f (Cell _ _ x xs) = Cell B n (f x) (mapA A B n f xs)
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