empty?

# File lib/bundler/version_ranges.rb, line 63
    def self.empty?(ranges, neqs)
      !ranges.reduce(ReqR::UNIVERSAL) do |last_range, curr_range|
        next false unless last_range
        next false if curr_range.single? && neqs.include?(curr_range.left.version)
        next curr_range if last_range.right.version == ReqR::INFINITY
        case last_range.right.version <=> curr_range.left.version
        when 1 then next curr_range
        when 0 then next(last_range.right.inclusive && curr_range.left.inclusive && !neqs.include?(curr_range.left.version) && curr_range)
        when -1 then next false
        end
      end
    end