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64 lines
1.2 KiB
64 lines
1.2 KiB
8 years ago
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from functools import partial, reduce
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def n_chars(n: int, s) -> str:
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"""
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Takes the first n characters
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"""
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return s[0:n]
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first_char = partial(n_chars, 1)
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def first_word(s: str) -> str:
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"""
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Takes the first word
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"""
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return s.split(' ')[0]
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def drop_first_n_words(n: int, s: str) -> str:
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"""
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Removes the first word
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"""
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return ' '.join(s.split(' ')[n:])
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drop_first_word = partial(drop_first_n_words, 1)
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def drop_first_word_if_eq(drop_if: str, s: str) -> str:
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return drop_first_word(s) if drop_if == first_word(s) else s
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def apply(*args: [callable], **k):
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fns = args[:-1]
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data = args[-1]
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for fn in fns:
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data = fn(data, **k)
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k = {}
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return data
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def drop_first_if_eq(drop_if: str, s: str) -> str:
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return s[len(drop_if):] if s[0:len(drop_if)] == drop_if else s
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def drop_until(until: str, s: str) -> str:
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return s[s.find(until):]
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def drop_from(end: str, s: str) -> str:
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idx = s.find(end)
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return s[:idx] if idx >= 0 else s
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def apply(x, y, **k):
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return y(x, **k)
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def foldr(fns, data, **kwargs):
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return reduce(partial(apply, **kwargs), fns, data)
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def drop_kwargs(x, *a, **k):
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return x(*a)
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