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aidanf/irb.rb

Last active August 29, 2015 14:21
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irb.rb
$ irb
2.1.5 :001 > x = "1"
=> "1"
2.1.5 :002 > x + "2"
=> "12"
2.1.5 :003 > x = 2.0
=> 2.0
2.1.5 :004 > x + 4.5
=> 6.5
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