Mercurial > hg > config
view python/mutable_defaults.py @ 94:b392ff855b43
add mozmill channel
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Thu, 23 Sep 2010 09:05:21 -0700 |
parents | 70544c7406e2 |
children | 434c65593612 |
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#!/usr/bin/env python class Foo(object): def __init__(self, mutable=['default']): self.foo = mutable self.foo.append(1) if __name__ == '__main__': bar = Foo() print len(bar.foo) fleem = Foo() print len(fleem.foo) assert len(fleem.foo) == 2, "Don't use default mutable arguments!"