74 lines
1.5 KiB
AppleScript
74 lines
1.5 KiB
AppleScript
-- ID MATRIX -----------------------------------------------------------------
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-- idMatrix :: Int -> [(0|1)]
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on idMatrix(n)
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set xs to enumFromTo(1, n)
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script row
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on |λ|(x)
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script
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on |λ|(i)
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if i = x then
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1
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else
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0
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end if
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end |λ|
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end script
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map(result, xs)
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end |λ|
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end script
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map(row, xs)
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end idMatrix
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-- TEST ----------------------------------------------------------------------
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on run
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idMatrix(5)
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end run
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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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