Created
January 27, 2012 10:29
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Ruby magically assigns nil to untouched variable.
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| irb(main):001:0> foo | |
| NameError: undefined local variable or method `foo' for main:Object | |
| from (irb):1 | |
| from :0 | |
| irb(main):002:0> if false | |
| irb(main):003:1> foo = "bar" | |
| irb(main):004:1> end | |
| => nil | |
| irb(main):005:0> foo | |
| => nil |
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