Sha256: 5c9e92ad1e0b939deb641b74aa6a9b33cd61af580a727be679a8d138e8687e4a
Contents?: true
Size: 629 Bytes
Versions: 242
Compression:
Stored size: 629 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
242 entries across 242 versions & 1 rubygems