Not Rust (or No trust) is a Python iteration tools with rust programming language style.
Run pip install git+https://github.com/tushushu/notrust.git to install notrust.
- Run
python setup.py bdist_wheelto build the wheel file. - Run
pip install {wheel file path}to installnotrustfrom the wheel file.
import re
from notrust import Iter
words = "I like you, and you like me!"
Iter(re.split("\s|,|!", words))\
.map(lambda x: (x, 1))\
.groupby(lambda x: x[0], lambda x: x[1])\
.map(lambda x: (x[0], sum(x[1])))\
.filter(lambda x: x != ' ')\
.to_dict()Result:
{'I': 1, 'like': 2, 'you': 2, '': 2, 'and': 1, 'me': 1}
from notrust import Iter
arr = [1, 2, 3, 4, 5]
Iter(arr)\
.map(lambda x: [x])\
.reduce(lambda x, y: x + [x[-1] + y[0]])Result:
[1, 3, 6, 10, 15]
from notrust import Iter
mat = [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9]
]
Iter(zip(*mat)).map(list).to_list()Result:
[[1, 4, 7], [2, 5, 8], [3, 6, 9]]
from notrust import Iter
arr = [1, -2, 3, -4, 5]
Iter(arr)\
.zip(range(len(arr)))\
.filter(lambda x: x[0] < 0)\
.map(lambda x: x[1])\
.to_list()Result:
[1, 3]