def test_example_1(self):
text = "a bb ccc"
avg_word_length = P.Pipe(
text,
Obj.split(" "), #['a', 'bb', 'ccc']
P.map(len), #[1, 2, 3]
P._(sum) / len #6 / 3 == 2
)
assert 2 == avg_word_length
text = "a bb ccc"
avg_word_length = P.Pipe(
text,
Obj.split(" "), #['a', 'bb', 'ccc']
P.map(len), #[1, 2, 3]
M(sum) / len #6 / 3 == 2
)
assert 2 == avg_word_length
text = "a bb ccc"
avg_word_length = P.Pipe(
text,
Obj.split(" "), #['a', 'bb', 'ccc']
P.map(len), #[1, 2, 3]
P.sum() / P.len() #6 / 3 == 2
)
assert 2 == avg_word_length
avg_word_length = P.Pipe(
"1 22 333",
Obj.split(' '), # ['1', '22', '333']
P.map(len), # [1, 2, 3]
[
sum # 1 + 2 + 3 == 6
,
len # len([1, 2, 3]) == 3
],
P[0] / P[1] # sum / len == 6 / 3 == 2
)
assert avg_word_length == 2
def test_C_1(self):
assert P._(add2)(4) == 6
assert P._(add2)._(mul3)(4) == 18
assert P.Make(add2)(4) == 6
assert P.Make(add2, mul3)(4) == 18
def test_underscores(self):
assert P._(a2_plus_b_minus_2c, 2, 4)(3) == 3 # (3)^2 + 2 - 2*4
assert P._2(a2_plus_b_minus_2c, 2, 4)(3) == -1 # (2)^2 + 3 - 2*4
assert P._3(a2_plus_b_minus_2c, 2, 4)(3) == 2 # (2)^2 + 4 - 2*3
def test_1(self):
assert 9 == 2 >> P.Make(
P + 1,
P._(math.pow, 2)
)