# File lib/gem2rpm/helpers.rb, line 10
    def self.expand_requirement(requirements)
      requirements.inject([]) do |output, r|
        output.concat case r.first
        when '~>'
          expand_pessimistic_requirement(r)
        when '!='
          expand_not_equal_requirement(r)
        else
          [r]
        end
      end
    end