tmountain · October 24, 2018 12:39
diff --git a/folds.hs b/folds.hs
 -- lazy vs non-lazy folds

 -- works on infinite lists
 take 5 $ foldr (:) [] [1..]

 -- infinite loop
 cons' = flip (:) -- acc is first arg to foldl
 take 5 $ foldl cons' [] [1..]
	-- lazy vs non-lazy folds

	-- works on infinite lists
	take 5 $ foldr (:) [] [1..]

	-- infinite loop
	cons' = flip (:) -- acc is first arg to foldl
	take 5 $ foldl cons' [] [1..]