method

math_mode=

Ruby latest stable (v2_5_5) - 0 notes - Class: IRB::Context

1_8_6_287 (0)
1_8_7_72 (0)
1_8_7_330 (0)
1_9_1_378 (0)
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1_9_3_125 (0)
1_9_3_392 (0)
2_1_10 (38)
2_2_9 (0)
2_4_6 (0)
2_5_5
2_6_3
What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v2_4_6) is shown here.

math_mode=(opt) public

Sets bc mode, which loads lib/mathn.rb so fractions or matrix are available.

Also available as the -m command line option.

See IRB@Command+line+options and the unix manpage bc(1) for more information.

Show source

# File lib/irb/ext/math-mode.rb, line 30
    def math_mode=(opt)
      if @math_mode == true && !opt
        IRB.fail CantReturnToNormalMode
        return
      end

      @math_mode = opt
      if math_mode
        main.extend Math
        print "start math mode\n" if verbose?
      end
    end

math_mode=

Related methods

Method deprecated or moved

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