How to extract the sign of an integer in Ruby?

Question

I need a function which returns/prints the sign on an integer. So far I came up with this:

def extract_sign(integer)
  integer >= 0 ? \'+\' : \'-\'
end
         


        

Answer 1

class Numeric
  def sign
    if self > 0
      '+'
    elsif zero?
      nil
    else
      '-'
    end
  end
end