Created
April 7, 2013 03:20
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| def f | |
| p x | |
| end | |
| f() | |
| # undefined local variable or method `x' for main:Object (NameError) | |
| def f | |
| if false | |
| x = 13 | |
| end | |
| p x | |
| end | |
| f() | |
| # => nil |
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