def __new__(cls, key=None, root_data=None, comp=None,
is_order_statistic=False):
obj = object.__new__(cls)
if key is None and root_data is not None:
raise ValueError('Key required.')
key = None if root_data is None else key
root = TreeNode(key, root_data)
root.is_root = True
obj.root_idx = 0
obj.tree, obj.size = ArrayForTrees(TreeNode, [root]), 1
obj.comparator = lambda key1, key2: key1 < key2 \
if comp is None else comp
obj.is_order_statistic = is_order_statistic
return obj
def __new__(cls,
key=None,
root_data=None,
comp=None,
is_order_statistic=False,
max_children=2,
**kwargs):
raise_if_backend_is_not_python(cls,
kwargs.get('backend', Backend.PYTHON))
obj = object.__new__(cls)
if key is None and root_data is not None:
raise ValueError('Key required.')
key = None if root_data is None else key
root = MAryTreeNode(key, root_data)
root.is_root = True
obj.root_idx = 0
obj.max_children = max_children
obj.tree, obj.size = ArrayForTrees(MAryTreeNode, [root]), 1
obj.comparator = lambda key1, key2: key1 < key2 \
if comp is None else comp
obj.is_order_statistic = is_order_statistic
return obj
