Created
October 19, 2010 04:51
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| ruby-1.8.7-p299 > a = [1,2] | |
| => [1, 2] | |
| ruby-1.8.7-p299 > b = a | |
| => [1, 2] | |
| ruby-1.8.7-p299 > 3.times do | |
| ruby-1.8.7-p299 > b.push b.shift | |
| ruby-1.8.7-p299 ?> end | |
| => 3 | |
| ruby-1.8.7-p299 > b | |
| => [2, 1] | |
| ruby-1.8.7-p299 > a | |
| => [2, 1] |
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