Created
December 2, 2011 01:56
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Why is 'y' defined?
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| ruby-1.9.2-p180 :001 > if 1 then x = 1 else y = 0 end | |
| => 1 | |
| ruby-1.9.2-p180 :002 > y | |
| => nil | |
| ruby-1.9.2-p180 :003 > x | |
| => 1 | |
| ruby-1.9.2-p180 :004 > z | |
| NameError: undefined local variable or method `z' for main:Object | |
| from (irb):4 | |
| from /home/dlt/.rvm/rubies/ruby-1.9.2-p180/bin/irb:16:in `<main>' |
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