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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit f23f22d71c
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Task/Parsing-RPN-calculator-algorithm/Haskell/parsing-rpn-calculator-algorithm-1.hs Normal file
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calcRPN :: String -> [Double]
calcRPN = foldl interprete [] . words
interprete s x
| x `elem` ["+","-","*","/","^"] = operate x s
| otherwise = read x:s
where
operate op (x:y:s) = case op of
"+" -> x + y:s
"-" -> y - x:s
"*" -> x * y:s
"/" -> y / x:s
"^" -> y ** x:s