hi
I have four functions below: What I want to do is have a way to parse more than
one digit or more than one string head in ParseTrue. Any ideas...
removeSpace:: String -> StringremoveSpace = dropWhile (`elem` space)
where space = [' ']
match :: String -> String -> (Bool, String)match word str | ((isPrefixOf)
(removeSpace word) (removeSpace str)) = (True,rest) | otherwise = (False,str)
where rest = drop (length (removeSpace word)) (removeSpace str) parseDigit
:: String -> [(Int, String)]parseDigit (x:xs) | isDigit x = [(read [x],xs)] |
otherwise = []
parseTrue :: String -> (Bool, String)parseTrue x = match "True" x
Ryan
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