class Digitsum::Math

Public Class Methods

summarize(digit) click to toggle source
# File lib/digitsum.rb, line 7
def self.summarize digit

       begin   
         if digit.is_a? Integer
           digit.to_s.chars.map(&:to_i).reduce(:+)
         else
           "TypeError: argument is not an integer"
         end

        rescue StandardError => msg 
          msg  
        end  

end