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DouweM/gist:7967026

Created December 15, 2013 00:38
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gistfile1.txt
% irb
ruby-1.9.3-p327 :001 > ++
ruby-1.9.3-p327 :002 > ++
ruby-1.9.3-p327 :003 > ++
ruby-1.9.3-p327 :004 > 5
=> 5
ruby-1.9.3-p327 :005 > x = 3
=> 3
ruby-1.9.3-p327 :006 > x++
ruby-1.9.3-p327 :007 > 2
=> 5
ruby-1.9.3-p327 :008 >
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