本文整理汇总了Python中transducer.eager.transduce函数的典型用法代码示例。如果您正苦于以下问题：Python transduce函数的具体用法？Python transduce怎么用？Python transduce使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了transduce函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_zero_items_returns_initial_empty_collection
def test_zero_items_returns_initial_empty_collection(self):
collection = CollectingSink()
transduce(Transducer,
sending(),
empty_iter(),
init=collection())
self.assertEqual(len(collection), 0)示例2: test_two_items_returns_two_element_list
def test_two_items_returns_two_element_list(self):
collection = CollectingSink()
transduce(Transducer,
sending(),
[23, 78],
init=collection())
self.assertEqual(list(collection), [23, 78])示例3: test_two_items_causes_completion
def test_two_items_causes_completion(self):
singular_sink = SingularSink()
transduce(Transducer,
sending(),
[23, 78],
init=singular_sink())
self.assertTrue(singular_sink.has_value)示例4: test_ordering_preserves_mutable_sequence_type
def test_ordering_preserves_mutable_sequence_type(self):
result = transduce(transducer=ordering(),
reducer=appending(),
iterable=[4, 2, 6, 10, 8],
init=deque())
self.assertIsInstance(result, deque)
self.assertSequenceEqual(result, deque([2, 4, 6, 8, 10]))示例5: test_chained_transducers
def test_chained_transducers(self):
result = transduce(transducer=compose(
mapping(lambda x: x*x),
filtering(lambda x: x % 5 != 0),
taking(6),
dropping_while(lambda x: x < 15),
distinct()),
reducer=appending(),
iterable=range(20))
self.assertSequenceEqual(result, [16, 36, 49])示例6: test_completing_with_summing_zero_items_returns_identity
def test_completing_with_summing_zero_items_returns_identity(self):
def add(a, b):
return a + b
summing = completing(add, identity=0)
result = transduce(Transducer,
summing,
[])
self.assertEqual(result, 0)示例7: test_completing_with_summing_four_items
def test_completing_with_summing_four_items(self):
def add(a, b):
return a + b
summing = completing(add, identity=0)
result = transduce(Transducer,
summing,
[4, 2, 1, 9])
self.assertEqual(result, 16)示例8: test_completing_with_multiplying_zero_items_returns_identity
def test_completing_with_multiplying_zero_items_returns_identity(self):
def multiply(a, b):
return a * b
multiplying = completing(multiply, identity=1)
result = transduce(Transducer,
multiplying,
[])
self.assertEqual(result, 1)示例9: test_completing_with_multiplying_four_items
def test_completing_with_multiplying_four_items(self):
def multiply(a, b):
return a * b
multiplying = completing(multiply, identity=1)
result = transduce(Transducer,
multiplying,
[4, 2, 1, 9])
self.assertEqual(result, 72)示例10: test_windowing_padding
def test_windowing_padding(self):
result = transduce(transducer=windowing(3, padding=0, window_type=list),
reducer=appending(),
iterable=[42, 12, 45, 9, 18, 3, 34, 13])
self.assertListEqual(result,
[[0, 0, 42],
[0, 42, 12],
[42, 12, 45],
[12, 45, 9],
[45, 9, 18],
[9, 18, 3],
[18, 3, 34],
[3, 34, 13],
[34, 13, 0],
[13, 0, 0]])示例11: test_zero_items_returns_initial_empty_set
def test_zero_items_returns_initial_empty_set(self):
result = transduce(Transducer,
adding(),
empty_iter())
self.assertEqual(result, set())示例12: test_conjoining_to_non_sequence_raises_type_error
def test_conjoining_to_non_sequence_raises_type_error(self):
with self.assertRaises(TypeError):
transduce(Transducer,
conjoining(),
(23, 78),
init=set())示例13: test_conjoining_preserves_initial_sequence_type
def test_conjoining_preserves_initial_sequence_type(self):
result = transduce(Transducer,
conjoining(),
(23, 78),
init=[])
self.assertEqual(result, [23, 78])示例14: test_zero_items_returns_initial_empty_tuple
def test_zero_items_returns_initial_empty_tuple(self):
result = transduce(Transducer,
conjoining(),
empty_iter())
self.assertEqual(result, tuple())示例15: test_two_items_returns_two_element_tuple
def test_two_items_returns_two_element_tuple(self):
result = transduce(Transducer,
conjoining(),
[23, 78])
self.assertEqual(result, (23, 78))