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20 lines
590 B
Plaintext
20 lines
590 B
Plaintext
implementation module GenMap
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import StdClass, StdArray, StdInt, StdFunc
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import StdGeneric, _Array
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generic gMap a b :: .a -> .b
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gMap{|c|} x = x
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gMap{|UNIT|} x = x
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gMap{|PAIR|} fx fy (PAIR x y) = PAIR (fx x) (fy y)
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gMap{|EITHER|} fl fr (LEFT x) = LEFT (fl x)
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gMap{|EITHER|} fl fr (RIGHT x) = RIGHT (fr x)
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gMap{|CONS|} f (CONS x) = CONS (f x)
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gMap{|FIELD|} f (FIELD x) = FIELD (f x)
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gMap{|OBJECT|} f (OBJECT x) = OBJECT (f x)
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gMap{|{}|} f xs = mapArray f xs
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gMap{|{!}|} f xs = mapArray f xs
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derive gMap [], (,), (,,), (,,,), (,,,,), (,,,,,), (,,,,,,), (,,,,,,,)
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