[issue29452] Use FASTCALL for collections.deque methods: index, insert, rotate

[Raymond Hettinger]

Raymond Hettinger added the comment:

Over this looks good.  Just one other minor tweak (one that has served me well elsewhere) would be to bypass the cross-module function call with a cheap (near zero cost) register variable test:

    if (kwnames != NULL && !_PyArg_NoStackKeywords("rotate", kwnames)) {
        return NULL;
    }

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29452>
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