[Python-ideas] Anonymous blocks (again):

[Devin Jeanpierre]

On Sun, May 12, 2013 at 2:11 AM, Juancarlo Añez <apalala at gmail.com> wrote:
> On Sun, May 12, 2013 at 12:45 AM, Nick Coghlan <ncoghlan at gmail.com> wrote:
>>
>> In current Python, decorator abuse can be a reasonable option:
>>
>>    @closure
>>    def block():
>>         self.rule()
>>         self.ast['rules'] = self.last_node
>
>
> Buf for that to work, you'd still have to call:
>
> block()
>
> And that would make it:
>
>    @closure
>    def block():
>         self.rule()
>         self.ast['rules'] = self.last_node
>    block()

No, not with how closure was defined in the original post. (Otherwise,
the code would be closure(block)()).

Consider:

>>> def closure(f):
...     f(); f(); f()
...
>>> @closure
... def block():
...     print "Hi"
...
Hi
Hi
Hi

-- Devin