Python Linq.first Examples

Example #1

 def test_first2(self):
     linq = Linq([])
     linq.first()

Example #2

 def test_first3(self):
     linq = Linq([11, 14, 15, 19])
     assert_equal(linq.first(cond_f=lambda x: x % 2 == 0), 14)
     assert_equal(linq.first(cond_f=lambda x: x % 2 == 0), 14)

Example #3

 def test_first(self):
     linq = Linq([11, 13, 15, 19])
     assert_equal(linq.first(), 11)
     assert_equal(linq.first(), 11)