89 lines
1.8 KiB
AppleScript
89 lines
1.8 KiB
AppleScript
on run
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intercalate(linefeed, ¬
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map(fizzBuzz, range(1, 100)))
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end run
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-- fizzBuzz :: Int -> String
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on fizzBuzz(x)
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caseOf(x, [[my fizzAndBuzz, "FizzBuzz"], ¬
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[my fizz, "Fizz"], ¬
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[my buzz, "Buzz"]], ¬
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x as string)
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end fizzBuzz
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-- fizzAndBuzz :: Int -> Bool
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on fizzAndBuzz(n)
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n mod 15 = 0
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end fizzAndBuzz
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-- fizz :: Int -> Bool
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on fizz(n)
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n mod 3 = 0
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end fizz
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-- buzz :: Int -> Bool
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on buzz(n)
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n mod 5 = 0
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end buzz
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-- GENERIC LIBRARY FUNCTIONS
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-- caseOf :: a -> [(predicate, b)] -> Maybe b -> Maybe b
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on caseOf(e, lstPV, default)
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repeat with lstCase in lstPV
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set {p, v} to contents of lstCase
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if mReturn(p)'s lambda(e) then return v
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end repeat
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return default
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end caseOf
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-- intercalate :: Text -> [Text] -> Text
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on intercalate(strText, lstText)
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set {dlm, my text item delimiters} to {my text item delimiters, strText}
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set strJoined to lstText as text
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set my text item delimiters to dlm
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return strJoined
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end intercalate
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-- map :: (a -> b) -> [a] -> [b]
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on map(f, xs)
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tell mReturn(f)
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set lng to length of xs
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set lst to {}
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repeat with i from 1 to lng
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set end of lst to lambda(item i of xs, i, xs)
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end repeat
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return lst
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end tell
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end map
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-- Lift 2nd class handler function into 1st class script wrapper
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-- mReturn :: Handler -> Script
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on mReturn(f)
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if class of f is script then
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f
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else
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script
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property lambda : f
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end script
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end if
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end mReturn
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-- range :: Int -> Int -> [Int]
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on range(m, n)
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if n < m then
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set d to -1
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else
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set d to 1
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end if
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set lst to {}
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repeat with i from m to n by d
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set end of lst to i
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end repeat
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return lst
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end range
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