Navigation

Changeset 540

Timestamp:

05/16/03 16:06:45 (6 years ago)

Author:

sholloway

Message:

*** empty log message ***

Files:

r539	r540
36	36
37	37	name = '?'
38		_next = None
	38	next = None
39	39
40	40	#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
…	…
45	45	if name is not None:
46	46	self.name = name
47		self._next = next
	47	if next is not None:
	48	self.next = next
	49	next.OnAddNestedOp(self)
48	50	for n, v in kw.iteritems(): setattr(self, n, v)
49	51
…	…
52	54
53	55	def __iter__(self):
54		next = self~~._next~~
	56	next = self
55	57	while next:
56	58	yield next
57		next = next._next
	59	next = next.next
58	60
59	61	def __getitem__(self, idx):
…	…
63	65	try:
64	66	itr = iter(self)
65		for ~~each in range(0~~, idx, -1):
	67	for i in range(1, idx, -1):
66	68	result = itr.next()
67	69	return result
…	…
70	72	else:
71	73	results = list(iter(self))
	74	results.reverse()
72	75	return results[idx]
	76
	77	def OnAddNestedOp(self, nestedop):
	78	pass
73	79
74	80	#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
…	…
113	119	assert op.result == shouldbe**2
114	120	print op, op.value, op.result
	121
	122	firstop = result[-1]
	123
	124	assert firstop[-1] is result[-2]
	125	assert firstop[-2] is result[-3]
	126	assert firstop[-3] is result[-4]
	127	assert firstop[-4] is result[-5]
	128	assert firstop[-5] is result[-6]
	129
	130	assert firstop[0] is result[0]
	131	assert firstop[1] is result[1]
	132	assert firstop[2] is result[2]
	133	assert firstop[3] is result[3]
	134	assert firstop[4] is result[4]
	135	assert firstop[5] is result[5]