Duncan Booth <[EMAIL PROTECTED]> writes:
> If you intend to only use the default some of the time, and at other
> times pass in a different list, then save the 'default' in the
> instance and use a special marker value to indicate when you intend
> the default to be used:
The most common idiom for such a marker is the None value.
class Test(object):
def __init__(self):
self.L = []
def f(self, a, L=None):
if L is None:
L = self.L
L.append(a)
return L
--
\ "Consider the daffodil. And while you're doing that, I'll be |
`\ over here, looking through your stuff." -- Jack Handey |
_o__) |
Ben Finney <http://www.benfinney.id.au/>
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