81 lines
1.6 KiB
AppleScript
81 lines
1.6 KiB
AppleScript
-- binaryString :: Int -> String
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on binaryString(n)
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showIntAtBase(2, n)
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end binaryString
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-- showIntAtBase :: Int -> Int -> String
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on showIntAtBase(base, n)
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if base > 1 then
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if n > 0 then
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set m to n mod base
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set r to n - m
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if r > 0 then
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set prefix to showIntAtBase(base, r div base)
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else
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set prefix to ""
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end if
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if m < 10 then
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set baseCode to 48 -- "0"
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else
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set baseCode to 55 -- "A" - 10
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end if
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prefix & character id (baseCode + m)
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else
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"0"
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end if
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else
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missing value
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end if
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end showIntAtBase
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-- TEST
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on run
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intercalate(linefeed, ¬
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map(binaryString, [5, 50, 9000]))
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end run
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-- GENERIC FUNCTIONS FOR TESTING
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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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-- 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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-- 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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