Gem::Version#<=>

# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems/version.rb, line 366
def <=>(other)
  if Gem::Version === other
    # Fast path for comparison when available.
    if @sort_key && other.sort_key
      return @sort_key <=> other.sort_key
    end

    return 0 if @version == other.version || canonical_segments == other.canonical_segments

    lhsegments = canonical_segments
    rhsegments = other.canonical_segments

    lhsize = lhsegments.size
    rhsize = rhsegments.size
    limit  = (lhsize > rhsize ? rhsize : lhsize)

    i = 0

    while i < limit
      lhs = lhsegments[i]
      rhs = rhsegments[i]
      i += 1

      next      if lhs == rhs
      return -1 if String  === lhs && Numeric === rhs
      return  1 if Numeric === lhs && String  === rhs

      return lhs <=> rhs
    end

    lhs = lhsegments[i]

    if lhs.nil?
      rhs = rhsegments[i]

      while i < rhsize
        return 1 if String === rhs
        return -1 unless rhs.zero?
        rhs = rhsegments[i += 1]
      end
    else
      while i < lhsize
        return -1 if String === lhs
        return 1 unless lhs.zero?
        lhs = lhsegments[i += 1]
      end
    end

    0
  elsif String === other
    return unless self.class.correct?(other)
    self <=> self.class.new(other)
  end
end