Sha256: da086a7d4652d18daac7854fe472a3e4906cc113bdd20afeed1379955f7e5981
Contents?: true
Size: 641 Bytes
Versions: 87
Compression:
Stored size: 641 Bytes
Contents
use "collections"
primitive RomanNumerals
fun apply(n: USize): String ? =>
if n == 0 then
return ""
elseif n >= 4000 then
error
end
let numerals: Array[(USize, String)] = [
(1000, "M"),
(900, "CM"),
(500, "D"),
(400, "CD"),
(100, "C"),
(90, "XC"),
(50, "L"),
(40, "XL"),
(10, "X"),
(9, "IX"),
(5, "V"),
(4, "IV"),
(1, "I")
]
let str = recover String end
var n' = n
for (arabic, roman) in numerals.values() do
while n' >= arabic do
str.append(roman)
n' = n' - arabic
end
end
str
Version data entries
87 entries across 87 versions & 1 rubygems