def __init__(self, coerce=None): if coerce is None: coerce = lambda x: x self.coerce = coerce self.trees = xcollections.weakcache() self.leaves = xcollections.weakcache() self.cache = {}
def __init__(self): self.opContext = util.canonical.CanonicalCache(OpContext) self.codeContext = util.canonical.CanonicalCache(CodeContext) self.cache = xcollections.weakcache() self.index = 0
def __init__(self): self.cache = xcollections.weakcache() self._emptyset = self.cache[frozenset()]
def __init__(self, create): self.create = create self.cache = xcollections.weakcache()