32 lines
513 B
ReStructuredText
32 lines
513 B
ReStructuredText
====================================
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Subclassing built-in caveats
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====================================
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::
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>>> class D1(dict):
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... def __getitem__(self, key):
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... return 42
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...
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>>> d1 = D1(a='foo')
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>>> d1
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{'a': 'foo'}
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>>> d1['a']
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42
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>>> d1.get('a')
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'foo'
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::
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>>> class D2(dict):
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... def get(self, key):
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... return 42
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...
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>>> d2 = D2(a='foo')
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>>> d2
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{'a': 'foo'}
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>>> d2['a']
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'foo'
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>>> d2.get('a')
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42
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