55 lines
1.1 KiB
AppleScript
55 lines
1.1 KiB
AppleScript
-- CLOSURE --------------------------------------------------------------------
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script closure
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on |λ|(x)
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script
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on |λ|()
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x * x
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end |λ|
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end script
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end |λ|
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end script
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|λ|() of (item 3 of (map(closure, enumFromTo(1, 10))))
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-- GENERIC FUNCTIONS ----------------------------------------------------------
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-- enumFromTo :: Int -> Int -> [Int]
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on enumFromTo(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 enumFromTo
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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 |λ|(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 |λ| : f
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end script
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end if
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end mReturn
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