method

<=>

v2_1_10 - Show latest stable - 0 notes - Class: Version

1_8_6_287
1_8_7_72
1_8_7_330
1_9_1_378
1_9_2_180
1_9_3_125 (0)
1_9_3_392 (0)
2_1_10 (0)
2_2_9 (0)
2_4_6 (0)
2_5_5 (0)
2_6_3 (0)
What's this?

<=>(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.

Show source

# File lib/rubygems/version.rb, line 326
  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

<=>

Related methods