RosettaCodeData/Task/Nth/AppleScript/nth.applescript

85 lines
1.6 KiB
AppleScript

-- ORDINAL STRINGS
-- ordinalString :: Int -> String
on ordinalString(n)
(n as string) & ordinalSuffix(n)
end ordinalString
-- ordinalSuffix :: Int -> String
on ordinalSuffix(n)
set modHundred to n mod 100
if (11 modHundred) and (13 modHundred) then
"th"
else
item ((n mod 10) + 1) of ¬
{"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"}
end if
end ordinalSuffix
-- TEST
on run
-- showOrdinals :: [Int] -> [String]
script showOrdinals
on lambda(lstInt)
map(ordinalString, lstInt)
end lambda
end script
map(showOrdinals, ¬
map(tupleRange, ¬
[[0, 25], [250, 265], [1000, 1025]]))
end run
-- GENERIC FUNCTIONS
-- map :: (a -> b) -> [a] -> [b]
on map(f, xs)
tell mReturn(f)
set lng to length of xs
set lst to {}
repeat with i from 1 to lng
set end of lst to lambda(item i of xs, i, xs)
end repeat
return lst
end tell
end map
-- tupleRange :: (Int, Int) -> [Int]
on tupleRange(lstPair)
set {m, n} to lstPair
range(m, n)
end tupleRange
-- range :: Int -> Int -> [Int]
on range(m, n)
if n < m then
set d to -1
else
set d to 1
end if
set lst to {}
repeat with i from m to n by d
set end of lst to i
end repeat
return lst
end range
-- Lift 2nd class handler function into 1st class script wrapper
-- mReturn :: Handler -> Script
on mReturn(f)
if class of f is script then
f
else
script
property lambda : f
end script
end if
end mReturn