def test_applicative_2nd_low(self):
seq = Seq(1, 2, 3, 4, 5)
def identity(x):
return x
self.assertEqual(seq.ap(Seq(identity)), seq)
def test_applicative_1st_low(self):
seq = Seq(1, 2, 3, 4, 5)
def f(x):
return x + 1
self.assertEqual(seq.ap(Seq(f)), seq.map(f))