Python first примеры использования

Пример #1

 def testGenerator(self):
     self.assertEqual(navigation.first(lambda x: x, xrange(5)), 1)

Пример #2

 def testMatch(self):
     self.assertEqual(navigation.first(lambda x: x, [False, True]), True)

Пример #3

 def testFirstMatch(self):
     self.assertEqual(navigation.first(lambda x: x, [1, 2]), 1)

Пример #4

 def testEmptyList(self):
     self.assertEqual(navigation.first(lambda x: x, []), None)

Пример #5

 def testNoMatchInList(self):
     self.assertEqual(navigation.first(lambda x: x, [False]), None)

Пример #6

 def testGenerator(self):
     self.assertEqual(navigation.first(lambda x: x, range(5)), 1)

Пример #7

 def testFirstMatch(self):
     self.assertEqual(navigation.first(lambda x: x, [1, 2]), 1)

Пример #8

 def testMatch(self):
     self.assertEqual(navigation.first(lambda x: x, [False, True]), True)

Пример #9

 def testNoMatchInList(self):
     self.assertEqual(navigation.first(lambda x: x, [False]), None)

Пример #10

 def testEmptyList(self):
     self.assertEqual(navigation.first(lambda x: x, []), None)