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revset: added basic operations to lazyset

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Added methods __add__, __sub__ and __and__ to duck type more methods in
baseset
This commit is contained in:
Lucas Moscovicz 2014-02-06 14:25:37 -08:00
parent 939eba25eb
commit dd14a88eaa
1 changed files with 10 additions and 0 deletions
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10
mercurial/revset.py
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@ -2090,5 +2090,15 @@ class lazyset(object):
if cond(x): if cond(x):
yield x yield x
def __and__(self, x):
return lazyset(self, lambda r: r in x)
def __sub__(self, x):
return lazyset(self, lambda r: r not in x)
def __add__(self, x):
l = baseset([r for r in self])
return l + baseset(x)
# tell hggettext to extract docstrings from these functions: # tell hggettext to extract docstrings from these functions:
i18nfunctions = symbols.values() i18nfunctions = symbols.values()