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comparison mercurial/revset.py @ 22812:fcd12b310148

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baseset: implement `first` and `last` methods
author Pierre-Yves David <pierre-yves.david@fb.com>
date Mon, 06 Oct 2014 14:42:00 -0700
parents c1fd827e1ae0
children 5a96df266b2b
comparison
equal deleted inserted replaced
22811:c1fd827e1ae0 22812:fcd12b310148
2385 """Returns True if the collection is descending order, False if not. 2385 """Returns True if the collection is descending order, False if not.
2386 2386
2387 This is part of the mandatory API for smartset.""" 2387 This is part of the mandatory API for smartset."""
2388 return False 2388 return False
2389 2389
2390 def first(self):
2391 if self:
2392 return self[0]
2393 return None
2394
2395 def last(self):
2396 if self:
2397 return self[-1]
2398 return None
2399
2390 class filteredset(abstractsmartset): 2400 class filteredset(abstractsmartset):
2391 """Duck type for baseset class which iterates lazily over the revisions in 2401 """Duck type for baseset class which iterates lazily over the revisions in
2392 the subset and contains a function which tests for membership in the 2402 the subset and contains a function which tests for membership in the
2393 revset 2403 revset
2394 """ 2404 """