Theerasak Photha wrote:
> On 10/11/06, Bruno Desthuilliers <[EMAIL PROTECTED]> wrote:
>
>> 2/ functions that returns a status code and modify their arguments.
>
> Argument modification for lists with one item is *sometimes* used to
> emulate full lexical closure. (or at least that's what the folks on
> freenode #python told me)
Yes, but that's another point. What I was talking about (perhaps not
clearly) is mutable arguments used as returned values, ie:
C-smell:
def my_func(res):
bar = foo()
if bar is None:
return 1 # error
else:
res['bar'] = bar
res['baaz'] = "blah"
return 0 # no error
pythonic:
def my_func():
bar = foo()
if bar is None:
raise FooBarError("no bar from foo")
return dict(bar=bar, baaz='blah')
--
bruno desthuilliers
python -c "print '@'.join(['.'.join([w[::-1] for w in p.split('.')]) for
p in '[EMAIL PROTECTED]'.split('@')])"
--
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