truthadjustr/a.hs

Last active August 3, 2018 20:42

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modification

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a.hs

	mapx f g xxs =
	case xxs of
	[] -> 0
	(x:xs) -> f x+mapx g f xs

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truthadjustr commented Aug 3, 2018

line 3 is Num so line 4 : must be change to + to match the type. Otherwise, line 3 is a Num and line 4 is a list and there is a type mismatch

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