module AddingStirngs

Constants

VERSION

Public Class Methods

adding_string(str) click to toggle source

# File lib/adding_stirngs.rb, line 5
def adding_string str
        val = str.tr('[]', '').split(',').map(&:to_i)
        # check if negative values present or not
        if val.select{|n| n < 0}.empty?
                return str.tr('[]', '').split(/\W+/).map(&:to_i).inject(0, :+)
        else
                raise Exception.new('Give positive string!')
        end
end