Pascal's triangle: Difference between revisions
Content added Content deleted
m (→{{header|Nim}}) |
m (→{{header|AppleScript}}: Tidied) |
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=={{header|AppleScript}}== |
=={{header|AppleScript}}== |
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Drawing n rows from a generator: |
Drawing n rows from a generator: |
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<lang AppleScript>-------------------- PASCAL'S TRIANGLE ------------------- |
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<lang AppleScript> |
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-- pascal :: Generator [[Int]] |
-- pascal :: Generator [[Int]] |
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on pascal() |
on pascal() |
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--------------------------- TEST ------------------------- |
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on run |
on run |
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showPascal(take(7, pascal())) |
showPascal(take(7, pascal())) |
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end run |
end run |
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------------------------ FORMATTING ---------------------- |
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-- showPascal :: [[Int]] -> String |
-- showPascal :: [[Int]] -> String |
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------------------------- GENERIC ------------------------ |
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-- center :: Int -> Char -> String -> String |
-- center :: Int -> Char -> String -> String |
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end if |
end if |
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end |center| |
end |center| |
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-- intercalate :: String -> [String] -> String |
-- intercalate :: String -> [String] -> String |
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on intercalate(sep, xs) |
on intercalate(sep, xs) |
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set {dlm, my text item delimiters} to |
set {dlm, my text item delimiters} to ¬ |
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{my text item delimiters, sep} |
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set s to xs as text |
set s to xs as text |
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set my text item delimiters to dlm |
set my text item delimiters to dlm |
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return s |
return s |
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end intercalate |
end intercalate |
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-- iterate :: (a -> a) -> a -> Generator [a] |
-- iterate :: (a -> a) -> a -> Generator [a] |
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end script |
end script |
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end iterate |
end iterate |
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-- length :: [a] -> Int |
-- length :: [a] -> Int |
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end if |
end if |
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end |length| |
end |length| |
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-- map :: (a -> b) -> [a] -> [b] |
-- map :: (a -> b) -> [a] -> [b] |
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end tell |
end tell |
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end map |
end map |
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-- min :: Ord a => a -> a -> a |
-- min :: Ord a => a -> a -> a |
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end min |
end min |
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-- Lift 2nd class handler function into 1st class script wrapper |
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-- mReturn :: First-class m => (a -> b) -> m (a -> b) |
-- mReturn :: First-class m => (a -> b) -> m (a -> b) |
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on mReturn(f) |
on mReturn(f) |
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-- 2nd class handler function lifted into 1st class script wrapper. |
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if script is class of f then |
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f |
f |
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else |
else |
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end if |
end if |
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end mReturn |
end mReturn |
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-- plus :: Num -> Num -> Num |
-- plus :: Num -> Num -> Num |
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a + b |
a + b |
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end plus |
end plus |
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-- Egyptian multiplication - progressively doubling a list, appending |
-- Egyptian multiplication - progressively doubling a list, appending |
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return out & dbl |
return out & dbl |
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end replicate |
end replicate |
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-- take :: Int -> [a] -> [a] |
-- take :: Int -> [a] -> [a] |
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end if |
end if |
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end take |
end take |
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-- unlines :: [String] -> String |
-- unlines :: [String] -> String |
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str |
str |
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end unlines |
end unlines |
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-- unwords :: [String] -> String |
-- unwords :: [String] -> String |
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on unwords(xs) |
on unwords(xs) |
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set {dlm, my text item delimiters} to |
set {dlm, my text item delimiters} to ¬ |
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{my text item delimiters, space} |
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set s to xs as text |
set s to xs as text |
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set my text item delimiters to dlm |
set my text item delimiters to dlm |
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return s |
return s |
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end unwords |
end unwords |
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-- zipWith :: (a -> b -> c) -> [a] -> [b] -> [c] |
-- zipWith :: (a -> b -> c) -> [a] -> [b] -> [c] |
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