Converts this integer to a roman numeral.
NOTE: This is not (presently) a common core extension and is not loaded automatically when using require 'facets'.
# File lib/facets/core-uncommon/facets/integer/roman.rb, line 27 def roman int = self #return nil if integer > ROMAN_MAX return "-#{(-int).roman}" if int < 0 return "" if int == 0 ROMAN_VALUES.each do |(i, v)| return(i + (int-v).roman) if v <= int end end
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