You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.2 KiB
63 lines
1.2 KiB
from functools import partial, reduce
|
|
|
|
def n_chars(n: int, s) -> str:
|
|
"""
|
|
Takes the first n characters
|
|
"""
|
|
return s[0:n]
|
|
|
|
|
|
first_char = partial(n_chars, 1)
|
|
|
|
|
|
def first_word(s: str) -> str:
|
|
"""
|
|
Takes the first word
|
|
"""
|
|
return s.split(' ')[0]
|
|
|
|
|
|
def drop_first_n_words(n: int, s: str) -> str:
|
|
"""
|
|
Removes the first word
|
|
"""
|
|
return ' '.join(s.split(' ')[n:])
|
|
|
|
|
|
drop_first_word = partial(drop_first_n_words, 1)
|
|
|
|
|
|
def drop_first_word_if_eq(drop_if: str, s: str) -> str:
|
|
return drop_first_word(s) if drop_if == first_word(s) else s
|
|
|
|
|
|
def apply(*args: [callable], **k):
|
|
fns = args[:-1]
|
|
data = args[-1]
|
|
for fn in fns:
|
|
data = fn(data, **k)
|
|
k = {}
|
|
return data
|
|
|
|
|
|
def drop_first_if_eq(drop_if: str, s: str) -> str:
|
|
return s[len(drop_if):] if s[0:len(drop_if)] == drop_if else s
|
|
|
|
def drop_until(until: str, s: str) -> str:
|
|
return s[s.find(until):]
|
|
|
|
def drop_from(end: str, s: str) -> str:
|
|
idx = s.find(end)
|
|
return s[:idx] if idx >= 0 else s
|
|
|
|
|
|
def apply(x, y, **k):
|
|
return y(x, **k)
|
|
|
|
|
|
def foldr(fns, data, **kwargs):
|
|
return reduce(partial(apply, **kwargs), fns, data)
|
|
|
|
|
|
def drop_kwargs(x, *a, **k):
|
|
return x(*a)
|
|
|