mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-20 03:20:18 +00:00
29 lines
483 B
Python
29 lines
483 B
Python
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def cache(f):
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def wrapper(*args):
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if not hasattr(f, 'cache'):
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f.cache = {}
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key = args
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if key not in f.cache:
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f.cache[key] = f(*args)
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return f.cache[key]
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return wrapper
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@cache
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def fib(n):
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if n < 2:
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return n
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return fib(n-1) + fib(n-2)
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assert fib(32) == 2178309
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class A:
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def __init__(self, x):
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self._x = x
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@property
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def x(self):
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return self._x
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a = A(1)
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assert a.x == 1 |