Cum se extrage un substring

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Revision as of 12:48, 9 October 2019 by Ha$kell (talk | contribs)
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Ori cautati o functie din biblioteca ori scrieti dvs una:

substring :: Int -> Int -> String -> String
substring start end text = take (end - start) (drop start text)

Main Data.Text> substring 2 6 "alfaville" "favi" Main Data.Text>