equal
deleted
inserted
replaced
2260 for r in self.fastdesc(): |
2260 for r in self.fastdesc(): |
2261 return r |
2261 return r |
2262 raise ValueError('arg is an empty sequence') |
2262 raise ValueError('arg is an empty sequence') |
2263 return max(self) |
2263 return max(self) |
2264 |
2264 |
|
2265 def first(self): |
|
2266 """return the first element in the set (user iteration perspective) |
|
2267 |
|
2268 Return None if the set is empty""" |
|
2269 raise NotImplementedError() |
|
2270 |
|
2271 def last(self): |
|
2272 """return the last element in the set (user iteration perspective) |
|
2273 |
|
2274 Return None if the set is empty""" |
|
2275 raise NotImplementedError() |
|
2276 |
2265 def reverse(self): |
2277 def reverse(self): |
2266 """reverse the expected iteration order""" |
2278 """reverse the expected iteration order""" |
2267 raise NotImplementedError() |
2279 raise NotImplementedError() |
2268 |
2280 |
2269 def sort(self, reverse=True): |
2281 def sort(self, reverse=True): |