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view python/fireonce.py @ 252:f8b65bb57678
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author | Jeff Hammel <jhammel@mozilla.com> |
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date | Thu, 06 Dec 2012 15:16:39 -0800 |
parents | 8006938c33ac |
children |
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class fireonce(object): def __init__(self, func): self.func = func def __call__(self, *args, **kwargs): if not self.func: return None retval = self.func(*args, **kwargs) self.func = None @fireonce def foo(x): print x foo('bar') foo('fleem') # not printed