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@@ -2255,6 +2255,12 b' class abstractsmartset(object):' | |||
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2255 | 2255 | Return None if the set is empty""" |
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2256 | 2256 | raise NotImplementedError() |
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2257 | 2257 | |
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2258 | def __len__(self): | |
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2259 | """return the length of the smartsets | |
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2260 | ||
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2261 | This can be expensive on smartset that could be lazy otherwise.""" | |
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2262 | raise NotImplementedError() | |
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2263 | ||
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2258 | 2264 | def reverse(self): |
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2259 | 2265 | """reverse the expected iteration order""" |
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2260 | 2266 | raise NotImplementedError() |
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