method

<=>

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<=>(other) public

Compares this version with other returning -1, 0, or 1 if the other version is larger, the same, or smaller than this one. Attempts to compare to something that’s not a Gem::Version return nil.

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# File lib/rubygems/version.rb, line 336
  def <=> other
    return unless Gem::Version === other
    return 0 if @version == other._version

    lhsegments = _segments
    rhsegments = other._segments

    lhsize = lhsegments.size
    rhsize = rhsegments.size
    limit  = (lhsize > rhsize ? lhsize : rhsize) - 1

    i = 0

    while i <= limit
      lhs, rhs = lhsegments[i] || 0, rhsegments[i] || 0
      i += 1

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

      return lhs <=> rhs
    end

    return 0
  end

<=>

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