Created
March 26, 2013 00:09
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| > class A | |
| * def a | |
| * "foo" | |
| * end | |
| * def bind | |
| * binding | |
| * end | |
| * def run | |
| * yield bind | |
| * end | |
| * end | |
| nil | |
| > A.new.run do a end | |
| NameError: undefined local variable or method `a' for main:Object |
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