Re: [Python-Dev] [Python-checkins] cpython (2.7): Backport early-out 91259f061cfb to reduce the cost of bb1a2944bcb6

2015年11月12日 12:15:48 -0800

There's two instances in that file.
On Thu, Nov 12, 2015, at 07:20, Raymond Hettinger wrote:
> 
> > On Nov 11, 2015, at 10:50 PM, Benjamin Peterson <[email protected]> wrote:
> > 
> >> + if (Py_SIZE(deque) == 0)
> >> + return;
> >> +
> > 
> > dequeue is not varsized in Python 2.7, so using Py_SIZE() is incorrect.
> 
> Fixed in a2a518b6ded4.
> 
> - if (Py_SIZE(deque) == 0)
> + if (deque->len == 0)
> 
> 
> Raymond
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