Mercurial > public > mercurial-scm > hg-stable
comparison mercurial/revset.py @ 22722:e8832cf1abf6
abstractsmartset: add a default implementation for min and max
This default implementation takes advantage of the fast iterator if available.
| author | Pierre-Yves David <pierre-yves.david@fb.com> |
|---|---|
| date | Thu, 02 Oct 2014 18:59:41 -0500 |
| parents | adc43967d401 |
| children | d4706faa2061 |
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| 22721:adc43967d401 | 22722:e8832cf1abf6 |
|---|---|
| 2246 This is part of the mandatory API for smartset.""" | 2246 This is part of the mandatory API for smartset.""" |
| 2247 self.sort(reverse=True) | 2247 self.sort(reverse=True) |
| 2248 | 2248 |
| 2249 def min(self): | 2249 def min(self): |
| 2250 """return the minimum element in the set""" | 2250 """return the minimum element in the set""" |
| 2251 raise NotImplementedError() | 2251 if self.fastasc is not None: |
| 2252 for r in self.fastasc(): | |
| 2253 return r | |
| 2254 raise ValueError('arg is an empty sequence') | |
| 2255 return min(self) | |
| 2252 | 2256 |
| 2253 def max(self): | 2257 def max(self): |
| 2254 """return the maximum element in the set""" | 2258 """return the maximum element in the set""" |
| 2255 raise NotImplementedError() | 2259 if self.fastdesc is not None: |
| 2260 for r in self.fastdesc(): | |
| 2261 return r | |
| 2262 raise ValueError('arg is an empty sequence') | |
| 2263 return max(self) | |
| 2256 | 2264 |
| 2257 def reverse(self): | 2265 def reverse(self): |
| 2258 """reverse the expected iteration order""" | 2266 """reverse the expected iteration order""" |
| 2259 raise NotImplementedError() | 2267 raise NotImplementedError() |
| 2260 | 2268 |