method

-@

Ruby latest stable (v1_9_3_392) - 0 notes - Class: Date

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v1_9_2_180) is shown here.

These similar methods exist in v1_9_3_392:

-@() public

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# File lib/date/delta.rb, line 244
    def -@ () self.class.new!(-@delta) end

May 19, 2010

0 thanks

If you’re trying to calculate 2 to the power of 2, the ^ method is not what you want. Try ** instead.

2^2  #=> 0
2^8  #=> 10
2**2 #=> 4
2**8 #=> 256