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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Nth/Standard-ML/nth.ml Normal file
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local
val v = Vector.tabulate (10, fn 1 => "st" | 2 => "nd" | 3 => "rd" | _ => "th")
fun getSuffix x =
if 3 < x andalso x < 21 then "th" else Vector.sub (v, x mod 10)
in
fun nth n =
Int.toString n ^ getSuffix (n mod 100)
end
(* some test ouput *)
val () = (print o concat o List.tabulate)
(26, fn i => String.concatWith "\t" (map nth [i, i + 250, i + 1000]) ^ "\n")