本文整理匯總了Python中durus.btree.BTree.items_backward_from方法的典型用法代碼示例。如果您正苦於以下問題：Python BTree.items_backward_from方法的具體用法？Python BTree.items_backward_from怎麽用？Python BTree.items_backward_from使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類durus.btree.BTree的用法示例。
在下文中一共展示了BTree.items_backward_from方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: items_backward_from
# 需要導入模塊: from durus.btree import BTree [as 別名]
# 或者: from durus.btree.BTree import items_backward_from [as 別名]
def items_backward_from(self):
bt = BTree()
for j in range(100):
bt.add(j)
for cutoff in (-1, 1, 50.1, 100, 102):
expect = list(reversed([(x, y) for (x, y) in bt.items()
if x < cutoff]))
got = list(bt.items_backward_from(cutoff))
assert expect == got, (cutoff, expect, got)
expect = list(reversed([(x, y) for (x, y) in bt.items()
if x <= cutoff]))
got = list(bt.items_backward_from(cutoff, closed=True))
assert expect == got, (cutoff, expect, got)