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revset: added __sub__ mehtod to _addset

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This method is intended to duck-type baseset, so we will still have _addset as a
private class but now will be able to return it without wrapping it into an
orderedlazyset or a lazyset.
This commit is contained in:
Lucas Moscovicz 2014-03-14 10:22:51 -07:00
parent 02e069f77d
commit a79e6ad5a0
1 changed files with 6 additions and 0 deletions
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6
mercurial/revset.py
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@ -2419,6 +2419,12 @@ class _addset(object):
return orderedlazyset(self, filterfunc, ascending=self._ascending)
return lazyset(self, filterfunc)
def __sub__(self, other):
filterfunc = lambda r: r not in other
if self._ascending is not None:
return orderedlazyset(self, filterfunc, ascending=self._ascending)
return lazyset(self, filterfunc)
def _iterator(self):
"""Iterate over both collections without repeating elements