Created
June 12, 2012 10:06
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| module Foo | |
| def change_var(nv) | |
| @@blah = nv | |
| end | |
| def print_var | |
| puts @@blah | |
| end | |
| end | |
| class A | |
| extend Foo | |
| end | |
| class B | |
| extend Foo | |
| end | |
| A.change_var(4) | |
| A.print_var | |
| B.print_var |
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