Created
February 8, 2012 09:15
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Inheritance: Class variables and constants in Ruby
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| class C1 | |
| SOME_CONST=3 | |
| @@some_class_var = 3 | |
| end | |
| class C2<C1 | |
| SOME_CONST=7 | |
| end | |
| class C3<C1 | |
| @@some_class_var = 4 | |
| end | |
| p C1::SOME_CONST # => 3 | |
| p C2::SOME_CONST # => 7 | |
| p C3::SOME_CONST # => 3 | |
| p C1.send :class_variable_get, '@@some_class_var' # => 4 | |
| p C2.send :class_variable_get, '@@some_class_var' # => 4 | |
| p C3.send :class_variable_get, '@@some_class_var' # => 4 |
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