Created
May 15, 2019 23:23
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Cached attribute pattern example
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| # A basic cached attribute pattern | |
| def compute_a_value(): | |
| return 123 + 45 | |
| class A: | |
| @property | |
| def a(self): | |
| if not hasattr(self, '_a'): | |
| self._a = compute_a_value() | |
| return self._a | |
| assert A().a == 168 |
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