[Python-Dev] 2.4a2, and @decorators

[Bob Ippolito]

On Aug 2, 2004, at 12:54 PM, Raymond Hettinger wrote:

>>> The only real necessary restriction on the @ operator is that its
>>> argument be callable and take a single argument. Many expressions
> could
>>> return a callable object. Why not let them? Is it really worth
> having a
>>> special case just to SyntaxError expressions that sometimes won't
> result
>>> in an appropriate callable?
>>>
>>> Things someone might want to do, ordered roughly from most
> reasonable to
>>> least reasonable ;)
>>> @foo().bar()
>>> @foo or bar
>>> @mydecorators['foo']
>>> @lambda f: foo(f) or bar(f)
>>>
>>> Why disallow these forms? It seems quite difficult, especially, to
>>> explain why the first one does not, or should not, work.
>>>
>>> James
>>>
>>
>>    For what it's worth, I agree with James completely.
>>
>>    Jp
>
> I concur.
>
>
> Raymond

Ditto.

-bob
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