Mercurial > public > mercurial-scm > hg-stable
comparison mercurial/revset.py @ 22753:16c20403de80
_orderedsetmixin: drop this now unused class
All my friends are dead.
| author | Pierre-Yves David <pierre-yves.david@fb.com> |
|---|---|
| date | Thu, 02 Oct 2014 19:48:14 -0500 |
| parents | 7bbc35c43bff |
| children | 1119e544cd2d |
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| 22752:7bbc35c43bff | 22753:16c20403de80 |
|---|---|
| 2382 boolean. | 2382 boolean. |
| 2383 | 2383 |
| 2384 This is part of the mandatory API for smartset.""" | 2384 This is part of the mandatory API for smartset.""" |
| 2385 return filteredset(self, condition) | 2385 return filteredset(self, condition) |
| 2386 | 2386 |
| 2387 class _orderedsetmixin(object): | |
| 2388 """Mixin class with utility methods for smartsets | |
| 2389 | |
| 2390 This should be extended by smartsets which have the isascending(), | |
| 2391 isdescending() and reverse() methods""" | |
| 2392 | |
| 2393 def _first(self): | |
| 2394 """return the first revision in the set""" | |
| 2395 for r in self: | |
| 2396 return r | |
| 2397 raise ValueError('arg is an empty sequence') | |
| 2398 | |
| 2399 def _last(self): | |
| 2400 """return the last revision in the set""" | |
| 2401 self.reverse() | |
| 2402 m = self._first() | |
| 2403 self.reverse() | |
| 2404 return m | |
| 2405 | |
| 2406 def min(self): | |
| 2407 """return the smallest element in the set""" | |
| 2408 if self.isascending(): | |
| 2409 return self._first() | |
| 2410 return self._last() | |
| 2411 | |
| 2412 def max(self): | |
| 2413 """return the largest element in the set""" | |
| 2414 if self.isascending(): | |
| 2415 return self._last() | |
| 2416 return self._first() | |
| 2417 | |
| 2418 class filteredset(abstractsmartset): | 2387 class filteredset(abstractsmartset): |
| 2419 """Duck type for baseset class which iterates lazily over the revisions in | 2388 """Duck type for baseset class which iterates lazily over the revisions in |
| 2420 the subset and contains a function which tests for membership in the | 2389 the subset and contains a function which tests for membership in the |
| 2421 revset | 2390 revset |
| 2422 """ | 2391 """ |