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18 lines
330 B
Python
18 lines
330 B
Python
from functools import wraps
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def cache(func):
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"""
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A decorator for lazy evaluation off true function
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"""
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saved = {}
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@wraps(func)
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def newfunc(*args):
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if args in saved:
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return saved[args]
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result = func(*args)
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saved[args] = result
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return result
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return newfunc
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