Mercurial > public > mercurial-scm > hg
comparison mercurial/revset.py @ 23127:7361d8244efb stable
addset: fix `first` and `last` on sorted addset (issue4426)
The lazy sorting were not enforced on addset. This was made visible through MQ.
| author | Pierre-Yves David <pierre-yves.david@fb.com> |
|---|---|
| date | Sat, 01 Nov 2014 22:58:30 +0000 |
| parents | c23c03605c59 |
| children | e53f6b72a0e4 0c432696dae3 |
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| 23126:8b4a8a9176e2 | 23127:7361d8244efb |
|---|---|
| 2640 self._list.reverse() | 2640 self._list.reverse() |
| 2641 else: | 2641 else: |
| 2642 self._ascending = not self._ascending | 2642 self._ascending = not self._ascending |
| 2643 | 2643 |
| 2644 def first(self): | 2644 def first(self): |
| 2645 if self: | 2645 for x in self: |
| 2646 return self._list.first() | 2646 return x |
| 2647 return None | 2647 return None |
| 2648 | 2648 |
| 2649 def last(self): | 2649 def last(self): |
| 2650 if self: | 2650 self.reverse() |
| 2651 return self._list.last() | 2651 val = self.first() |
| 2652 return None | 2652 self.reverse() |
| 2653 return val | |
| 2653 | 2654 |
| 2654 class generatorset(abstractsmartset): | 2655 class generatorset(abstractsmartset): |
| 2655 """Wrap a generator for lazy iteration | 2656 """Wrap a generator for lazy iteration |
| 2656 | 2657 |
| 2657 Wrapper structure for generators that provides lazy membership and can | 2658 Wrapper structure for generators that provides lazy membership and can |